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Journal articles on the topic 'Lizards'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Akani, Godfrey, Nwabueze Ebere, Valentin Pérez-Mellado, and Luca Luiselli. "Stomach flushing affects survival/emigration in wild lizards: a study case with rainbow lizards (Agama agama) in Nigeria." Amphibia-Reptilia 32, no. 2 (2011): 253–60. http://dx.doi.org/10.1163/017353711x565493.

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AbstractStomach flushing is one of the proposed techniques to study lizard diets. Apparently, it is ranged, together with direct observation and faecal analysis, as a non-harmful method for dietary studies. Some works explored the usefullness of stomach flushing, but we lack information about its effect on lizard's survival probabilities. In this paper we studied the effect of stomach flushing in an urban population of the rainbow lizard (Agama agama) from Calabar (Nigeria). During a period of five months of 2010, 147 lizards were noosed, sexed and individually marked. One group of lizards was

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Wieczorek, Magdalena, Robert Rektor, Bartłomiej Najbar, and Federico Morelli. "Tick parasitism is associated with home range area in the sand lizard, Lacerta agilis." Amphibia-Reptilia 41, no. 4 (2020): 479–88. http://dx.doi.org/10.1163/15685381-bja10018.

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Abstract The sand lizard (Lacerta agilis) is a common species in Europe that inhabits a wide range of habitats, including anthropogenic environments. It is a frequent carrier of common ticks (Ixodes ricinus), which poses a severe threat to the lizards’ health. We determined the living space used by lizards in a rapidly changing environment and ascertained the number of parasitic ticks found throughout the reptile’s active season. We conducted telemetry research on a dynamically developing housing estate located on the outskirts of the city of Zielona Góra (western Poland) in 2016-2017. We obta

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3

Blamires, S. J. "Factors influencing the escape response of an arboreal agamid lizard of tropical Australia (Lophognathus temporalis) in an urban environment." Canadian Journal of Zoology 77, no. 12 (1999): 1998–2003. http://dx.doi.org/10.1139/z99-166.

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The escape response of the agamid lizard Lophognathus temporalis in an urban population was examined during the dry season. Two measurements of escape response were made: the distance an observer can approach before the lizard flees (approach distance) and the distance the lizard flees to refuge (flight distance). The relationship between approach distance and flight distance was examined, as was the relationship between air temperature and both approach distance and flight distance. The influence of time of day, the lizard's perch (in a tree or on the ground), and year (1996 or 1998) on the e

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Blokhin, Ivan, Natalya Veselova, and Gennady Blokhin. "Phenotypic traits of sand lizard (Lacerta agilis) and the environmental factor effects." BIO Web of Conferences 43 (2022): 03003. http://dx.doi.org/10.1051/bioconf/20224303003.

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The comparative analysis of the variability of the sand lizard’s (Lacerta agilis) phenotypic traits was carried out. Lizards were trapping in four different localities. 12 morphometric characters and 22 scaling parameters were included in controlled traits; comparisons of populations were performed using Student’s t-test and discriminant analysis. Lizards were captured in the village Yamnoye, Voronezh Region, the village Verkhnekardail’skiy in the Volgograd Region, and in the villages Sredniy and Poperechnyy of the Stavropol Territory. The village Yamnoye is experiencing the greatest anthropog

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Schall, J. J. "Virulence of lizard malaria: the evolutionary ecology of an ancient parasite—host association." Parasitology 100, S1 (1990): S35—S52. http://dx.doi.org/10.1017/s0031182000073005.

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SummaryThe negative consequences of parasitic infection (virulence) were examined for two lizard malaria parasite—host associa tions: Plasmodium agamae and P. giganteum, parasites of the rainbow lizard, Agama agania, in Sierra Leone, West Africa; and P. mexicanum in the western fence lizard, Sceloporus occidentalis, in northern California. These malaria species vary greatly in their reproductive characteristics: P. agamae produces only 8 merozoites per schizont, P. giganteum yields over 100, and P. mexicanum an intermediate number. All three parasites appear to have had an ancient association

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Ebrahimi, Mehregan, Aaron L. Fenner, and C. Michael Bull. "Lizard behaviour suggests a new design for artificial burrows." Wildlife Research 39, no. 4 (2012): 295. http://dx.doi.org/10.1071/wr11155.

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Context The use of artificial refuges is a common strategy for the conservation management of endangered species. However, artificial refuges may alter an animal’s natural behaviour that in turn may be detrimental to the species. The endangered pygmy bluetongue lizard from Australia is one species that will accept artificial burrows. Aims The aim of the present research was to determine whether the normal behaviour of the pygmy bluetongue lizards differed between artificial and natural burrows, so as to determine whether the existing artificial burrow is an optimal design for this species. Met

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Wagner, E. A., and P. A. Zani. "Escape behavior of Side-blotched Lizards (Uta stansburiana) in response to model predators." Canadian Journal of Zoology 95, no. 12 (2017): 965–73. http://dx.doi.org/10.1139/cjz-2016-0255.

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Few field studies have tested for geographic variation in escape behavior and even fewer have examined responses of prey to multiple predators despite most prey occurring in multipredator environments. We performed 458 escape trials on Side-blotched Lizards (Uta stansburiana Baird and Girard, 1852) from 10 populations that differed in predator abundances. We quantified escape behavior of Side-blotched Lizards when approached with one of two model predators: a lizard (Great Basin Collared Lizard (Crotaphytus bicinctores N.M. Smith and Tanner, 1972)) or a snake (Western Yellow-bellied Racer (Col

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De Jesus, Carrie, Chanakya Bhosale, Kristen Wilson, Zoe White, and Samantha M. Wisely. "Reptile Host Associations of Ixodes scapularis in Florida and Implications for Borrelia spp. Ecology." Pathogens 10, no. 8 (2021): 999. http://dx.doi.org/10.3390/pathogens10080999.

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Host associations of the tick vector for Lyme Borreliosis, Ixodes scapularis, differ across its geographic range. In Florida, the primary competent mammalian host of Lyme disease is not present but instead has other small mammals and herpetofauna that I. scapularis can utilize. We investigated host–tick association for lizards, the abundance of ticks on lizards and the prevalence of Borrelia burgdorferi sensu lato (sl). To determine which lizard species I. scapularis associates with, we examined 11 native lizard species from historical herpetological specimens. We found that (294/5828) of the

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Denommé, Melanie, Natalie L. Bakker, and Glenn J. Tattersall. "Influence of enclosure design on the behaviour and welfare of Pogona vitticeps." PLOS One 20, no. 6 (2025): e0322682. https://doi.org/10.1371/journal.pone.0322682.

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Complex or naturalistic enclosures have become increasingly accepted as those best-suited to improve an animal’s welfare. However, designing such enclosures can be difficult if little is known about the animal in the wild, and enclosures that aim to replicate natural habitats must still be assessed to ensure their assumed benefits are realized. Therefore, this study examined the behaviour and physiology of captive-bred bearded dragons (Pogona vitticeps) living in naturalistic- and standard-style enclosures. First, we assessed whether naturalistic-style enclosures better accommodated a lizard’s

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Kacoliris, Federico, Alejandro Molinari, and Jorge Williams. "Selection of key features of vegetation and escape behavior in the Sand Dune Lizard (Liolaemus multimaculatus)." Animal Biology 60, no. 2 (2010): 157–67. http://dx.doi.org/10.1163/157075610x491707.

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AbstractVegetation structure and cover are two of the main factors which determine microhabitat preferences in lizards. The Sand Dune Lizard (Liolaemus multimaculatus) is a vulnerable and endemic species of the pampean coastal habitats from Argentina. We hypothesized that: a) Sand Dune Lizard prefer to perch in microhabitats that offer a good balance between visibility and refuge, and; b) lizards prefer microhabitats in which plant types allow them to resort to sand burying behavior. We recorded data of microhabitat (bunch-grasses sizes and plant types) used by lizards (males, females and juve

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Cooper, William E., and Wade C. Sherbrooke. "Choosing between a rock and a hard place: Camouflage in the round-tailed horned lizard Phrynosoma modestum." Current Zoology 58, no. 4 (2012): 541–48. http://dx.doi.org/10.1093/czoolo/58.4.543.

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Abstract The round-tailed horned lizard Phrynosoma modestum is cryptically colored and resembles a small stone when it draws legs close to its body and elevates its back. We investigated effectiveness of camouflage in P. modestum and its dependence on stones by placing a lizard in one of two microhabitats (uniform sand or sand with surface rocks approximately the same size as lizards). An observer who knew which microhabitat contained the lizard was asked to locate the lizard visually. Latency to detection was longer and probability of no detection within 60 s was higher for lizards on rock ba

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Haniaturizqia, Amalia Hasni, and Miftahul Anwar. "Study of Trabekular Anatomic Structures on Biawak Water Bone (Varanus Salvator)." Proceeding International Conference on Science and Engineering 3 (April 30, 2020): 55–57. http://dx.doi.org/10.14421/icse.v3.468.

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Asian water lizards (Varanus salvator) is one of the species that is widespread in the region of South Asia and Southeast Asia, one of which is in the territory of Indonesia. One of the characteristics of water lizards is having a tail that serves to maintain the balance of his body when moving. This study aims to determine the anatomical structure of the trabeculae in the tailbone of the Asian water lizard (Varanus salvator). Trabeculae are derived from the aquatic biawaks tailbone, which is neutralized with chloroform and then dissected. The coccyx is taken and prepared for observation of tr

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Meiri, Shai. "What geckos are – an ecological-biogeographic perspective." Israel Journal of Ecology and Evolution 66, no. 3-4 (2019): 253–63. http://dx.doi.org/10.1163/22244662-20191075.

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Geckos are a hyper-diverse, ancient, and globally distributed group. They have diverged early from other squamates and thus can be expected to differ from them along multiple ecological, life history, and biogeographic axes. I review a wide range of gecko traits, comparing them to those of other lizard taxa, to identify the unique, and unifying, attributes of geckos among lizards, based on comprehensive databases of lizard distributions and biological attributes. Few traits completely separate geckos from other lizard taxa, yet they differ to a large degree along many axes: they are more restr

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Daniell, Tara L., Mark N. Hutchinson, Phil Ainsley, and Michael G. Gardner. "Recognition of reptile predator scent is innate in an endangered lizard species." Australian Journal of Zoology 68, no. 2 (2020): 76. http://dx.doi.org/10.1071/zo20064.

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Chemical cues can alert prey to the presence of predators before the predator is within visual proximity. Recognition of a predator’s scent is therefore an important component of predator awareness. We presented predator and control scents to wild, wild-born captive, and predator-naive captive-born pygmy bluetongue lizards to determine (1) whether lizards respond to reptile chemical cues differently from controls, (2) whether captive lizards respond more strongly to a known predator than to other predatory reptiles, (3) whether captive-born lizards recognise predators innately, whether captive

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Pearson, S. K., S. S. Godfrey, C. M. Bull, and M. G. Gardner. "Larger lizards live longer in the group-living Egernia stokesii." Australian Journal of Zoology 64, no. 3 (2016): 182. http://dx.doi.org/10.1071/zo16024.

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Animal space use has implications for gene flow, disease dynamics, mating systems and the evolution of sociality. Given recent attention to sociality in reptiles, lizards are an important group for expanding our understanding of animal space use. Lizard space use is commonly investigated within one population over a short period and limited attention has been given to potential predictors of site fidelity. This study evaluated site fidelity in three populations of group-living Egernia stokesii (gidgee skink) between two field surveys separated by almost a decade. Of 43 recaptured lizards, 28 (

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Freidenfelds, N. A., T. R. Robbins, and T. Langkilde. "Evading invaders: the effectiveness of a behavioral response acquired through lifetime exposure." Behavioral Ecology 23, no. 3 (2012): 659–64. http://dx.doi.org/10.1093/beheco/ars011.

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Abstract Understanding the mechanisms driving adaptations to survive agonistic interactions, and their function, provides insight into how native species adapt to aggressive invaders, a growing global threat. We staged encounters between native fence lizards (Sceloporus undulatus) and red imported fire ants (Solenopsis invicta) on and off the ant mound (nest) to examine the effectiveness of lizard antipredator behavior through ontogeny while focusing on the impact of lifetime and evolutionary exposure to this invasive threat. We used field-caught and lab-reared lizards from a fire ant–invaded

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Fleishman, Leo J., Ellis R. Loew, and Martin J. Whiting. "High sensitivity to short wavelengths in a lizard and implications for understanding the evolution of visual systems in lizards." Proceedings of the Royal Society B: Biological Sciences 278, no. 1720 (2011): 2891–99. http://dx.doi.org/10.1098/rspb.2011.0118.

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Progress in developing animal communication theory is frequently constrained by a poor understanding of sensory systems. For example, while lizards have been the focus of numerous studies in visual signalling, we only have data on the spectral sensitivities of a few species clustered in two major clades (Iguania and Gekkota). Using electroretinography and microspectrophotometry, we studied the visual system of the cordylid lizard Platysaurus broadleyi because it represents an unstudied clade (Scinciformata) with respect to visual systems and because UV signals feature prominently in its social

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Menezes, Vanderlaine Amaral, Vanessa Amaral, Angélica Figueira Fontes, Monique Van Sluys, and Carlos Frederico Duarte Rocha. "Feeding habits of the lizard Tropidurus hispidus (Spix, 1825) (Tropiduridae) in a transitional Caatinga-Rocky Field Habitat in Northeastern Brazil." Papéis Avulsos de Zoologia 65 (June 24, 2025): e202565020. https://doi.org/10.11606/1807-0205/2025.65.020.

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We investigated the diet of the endemic Tropidurid lizard Tropidurus hispidus in a Caatinga (the semiarid biome in Northeastern Brazil) area of Morro do Chapéu, BA, Brazil. Lizards (n = 20) were collected and euthanized. In the laboratory, stomach contents were removed, analyzed and classified by order, excepting for plant material. We then correlated the lizards’ morphological characteristics with the number, volume (in mm³), and the prey-size of the items. All lizards contained food items in their stomachs, encompassing a mix of arthropods, plant material, and a portion of vertebrate remains

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Gwiazdowicz, Dariusz J., Anna K. Gdula, Rafał Kurczewski, and Bogna Zawieja. "Factors influencing the level of infestation of Ixodes ricinus (Acari: Ixodidae) on Lacerta agilis and Zootoca vivipara (Squamata: Lacertidae)." Acarologia 60, no. 2 (2020): 390–97. http://dx.doi.org/10.24349/acarologia/20204372.

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The purpose of this study was to analyse selected factors determining the level of infestation of Ixodes ricinus ticks on Lacerta agilis and Zootoca vivipara lizards found in Central Europe. Both environmental factors (habitats within protected areas and areas transformed as a result of human activity) as well as morphological factors (age, sex and size of lizards, location of ticks on the lizard’s body) were assessed. We found that the age and size of a lizard played a significant role in the level of infestation, but this depended on the species and habitat. Females of both species differed

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Christian, KA, and KE Conley. "Activity and Resting Metabolism of Varanid Lizards Compared With Typical Lizards." Australian Journal of Zoology 42, no. 2 (1994): 185. http://dx.doi.org/10.1071/zo9940185.

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We examined whether Australian varanids as a group are more aerobic than other lizards. The standard metabolic rate (SMR) and maximal oxygen consumption (V-O2max) were measured for four species of varanid lizards and the skink Tiliqua rugosa at 35 degrees C. These were compared to each other and to the V-O2max of the iguanid lizard Cyclura nubila by analysis of covariance with body mass as a covariate. There were no differences with respect to SMR, but the V-O2max of the lizards fell into three groups: Varanus rosenbergi, V. gouldii and V. panoptes had higher aerobic capacities than V. mertens

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Pettigrew, Melissa, and C. Michael Bull. "The response of pygmy bluetongue lizards to simulated grazing in the field during three drought years." Wildlife Research 39, no. 6 (2012): 540. http://dx.doi.org/10.1071/wr12086.

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Context Grazing by domestic stock can directly influence and shape the functions of an ecosystem. Most remaining remnant native grasslands in Australia are under some form of grazing management, with some possible adverse impacts for endemic grassland biota. For the endangered pygmy bluetongue lizard (Tiliqua adelaidensis), grazing of its remnant native grassland habitat has been seen as a potential conservation threat. Aim We aimed to investigate whether lizards altered their basking and foraging behaviour as a response to simulated grazing of the grassland habitat surrounding their burrows.

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Matthews, Catherine E., Lacey D. Huffling, and Aerin Benavides. "The Ins & Outs of Developing a Field-Based Science Project." American Biology Teacher 76, no. 5 (2014): 320–26. http://dx.doi.org/10.1525/abt.2014.76.5.5.

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We describe a field-based lizard project we did with high school students as a part of our summer Herpetological Research Experiences. We describe data collection on lizards captured, identified, and marked as a part of our mark–recapture study. We also describe other lizard projects that are ongoing in the United States and provide resources for teachers to help them start their own field-based science projects. Our work with lizards focuses on fieldwork but also includes classroom components with captive-bred and wild-captured animals. Information on organizations that focus on lizards is pr

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Pérez-Mellado, Valentín, Mario Garrido, Zaida Ortega, Ana Pérez-Cembranos, and Abraham Mencía. "The yellow-legged gull as a predator of lizards in Balearic Islands." Amphibia-Reptilia 35, no. 2 (2014): 207–13. http://dx.doi.org/10.1163/15685381-00002945.

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Lizards and gulls cohabit in several Mediterranean islands. The yellow-legged gull, Larus michahellis, was found to prey several vertebrate species. However, precise information about the interaction between gulls and other vertebrates, particularly with lizards is still scarce. The Balearic lizard, Podarcis lilfordi, shares several coastal islets with the yellow-legged gull. Using two different sources of information, we studied the interaction of both species in Colom Island (Menorca, Balearic Islands, Spain). We studied the diet of the yellow-legged gull and learnt that the Balearic lizard

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Smirina, Ella, and Natalia Ananjeva. "On the longevity, growth and reproductive characteristics of Lichtenstein’s Toadhead Agama, Phrynocephalus interscapularis Lichtenstein, 1856 (Agamidae, Sauria)." Amphibia-Reptilia 38, no. 1 (2017): 31–39. http://dx.doi.org/10.1163/15685381-00003080.

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We aimed to analyze growth and longevity in relation to reproductive characteristics in a population of smallest species of agamid lizard, Phrynocephalus interscapularis using skeletochronology. Growth layers in the humerus were examined to estimate lizard age and growth, and to check the hypothesis of an annual turnover of short-term life of arid small lizards. Individual age of lizards in a sample of 50 individuals was determined. Ageing by skeletochronology showed the maximum age of lizards in the population as about three years and determined the following age structure of the sample: 18 o

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Vitt, Laurie J., and Celso Morato de Carvalho. "Life in the trees: the ecology and life history of Kentropyx striatus (Teiidae) in the lavrado area of Roraima, Brazil, with comments on the life histories of tropical teiid lizards." Canadian Journal of Zoology 70, no. 10 (1992): 1995–2006. http://dx.doi.org/10.1139/z92-270.

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The ecology and life history of the tropical teiid lizard Kentropyx striatus were studied in a grassland of northern Brazil, the lavrado area. The area, located nearly at the equator, experiences a prolonged dry season with a wet season extending from May to September. Total annual rainfall averages 1750 mm. Lizards were nonrandomly distributed among habitat patches and microhabitats. Most individuals were in trees and shrubs surrounding temporary and permanent water. Most individuals were observed active during late morning, the time period during which feeding and social interactions were ob

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Glasheen, J., and T. Mcmahon. "Size-dependence of water-running ability in basilisk lizards (Basiliscus basiliscus)." Journal of Experimental Biology 199, no. 12 (1996): 2611–18. http://dx.doi.org/10.1242/jeb.199.12.2611.

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In the past, it has been proposed that basilisk lizards (Basiliscus basiliscus) are able to reach high population densities because the juveniles and adults have differing water-running abilities and therefore live in different habitats. However, there is no a priori reason to expect juveniles to be better able to run on water than adults. To determine the causal relationship between body size and water-running ability, we made three types of measurements: (1) direct morphological measurements on preserved specimens; (2) hydrodynamic measurements on physical models of the lizards' feet; and (3

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NYHAGEN, DORTE FRIIS, CAROLINE KRAGELUND, JENS M. OLESEN, and CARL G. JONES. "Insular interactions between lizards and flowers: flower visitation by an endemic Mauritian gecko." Journal of Tropical Ecology 17, no. 5 (2001): 755–61. http://dx.doi.org/10.1017/s0266467401001560.

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Lizards mainly eat arthropods, fruit, nectar, pollen and animal scats (Pérez-Mellado & Casas 1997, Whitaker 1987), using their sense of smell and good colour vision while foraging (Vinson & Vinson 1969). Although several papers have contributed to the knowledge on the relationship between lizards and floral resources, this topic is often still regarded as anecdotal. However, a few detailed ecological studies on lizard and flower interactions have been conducted, e.g. in New Zealand and the Balearic Isles (Eifler 1995, Sáez & Traveset 1995, Traveset & Sáez 1997,Whitaker 1987). P

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ElShafie, Sara J. "Body size estimation from isolated fossil bones reveals deep time evolutionary trends in North American lizards." PLOS ONE 19, no. 1 (2024): e0296318. http://dx.doi.org/10.1371/journal.pone.0296318.

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Lizards play vital roles in extant ecosystems. However, their roles in extinct ecosystems are poorly understood because the fossil record of lizards consists mostly of isolated bones. This makes it difficult to document changes in lizard morphology and body size over time, which is essential for studies of lizard paleoecology and evolution. It is also difficult to compare available fossil lizard data with existing sources of extant lizard data because extant studies rarely measure individual bones. Furthermore, no previous study has regressed measurements of individual bones to body length acr

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Costa, G. C., G. R. Colli, and R. Constantino. "Can lizard richness be driven by termite diversity? Insights from the Brazilian Cerrado." Canadian Journal of Zoology 86, no. 1 (2008): 1–9. http://dx.doi.org/10.1139/z07-107.

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We test predictions of the Morton and James hypothesis, which states that high termite diversity promotes high lizard diversity. We explore consumption of termites by lizards in the Brazilian Cerrado, a system that shares many similarites with arid Australia whose fauna formed the basis for the original hypothesis. We found that Cerrado lizards prey heavily on termites. Several species had >40% of their diet consisting of termites, some species reached up to 80%. However, lizards prey on termites independently of their diversity in the environment and do not show niche segregation in relati

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Kidov, A. A. "Parasite-host relationships of the ixodid tick Ixodes Ricinus (Linnaeus, 1758) and Hyrcanian meadow lizard Darevskia practicola hyrcanica (Tuniyev, Doronin, Kidov et Tuniyev, 2011) in Talysh Mountains (Southeastern Azerbaijan)." Russian Journal of Parasitology 12, no. 1 (2018): 27–34. http://dx.doi.org/10.31016/1998-8435-2018-12-1-27-34.

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The purpose of the research: to identify features of the parasite-host relations of the European common tick, Ixodes ricinus (Linnaeus, 1758) and Hyrcanian meadow lizard, Darevskia praticola hyrcanica (Tuniyev, Doronin, Kidov, et Tuniyev), 2011 in spring period. Materials and methods. The study was carried out in May 2016 in the Gadazyghahi natural boundaries in Astara region of Azerbaijan. The animals were caught on the routes, divided into three mature groups (adult females, males and juvenile lizards) and examined for the presence of ticks. Frequency of occurrence, abundance and location of

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M'Closkey, Robert T., Richard J. Deslippe, Christopher P. Szpak, and Keith A. Baia. "Tree lizard distribution and mating system: the influence of habitat and food resources." Canadian Journal of Zoology 68, no. 10 (1990): 2083–89. http://dx.doi.org/10.1139/z90-290.

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We examined the distribution of an insectivorous iguanid lizard (Iguanidae: Urosaurus ornatus, tree lizard) in the Sonoran Desert of Arizona in 1984, 1986, and 1987. The purpose of the investigation was to examine the ecological correlates of lizard distribution and mating system. Data from 420 marked lizards which were captured 1552 times provided information on habitat-level differences in lizard numbers and characteristics of home ranges in which oviposition occurred. In addition, we evaluated the role of arthropod food resources in the distribution of female home range and in the mating st

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Yermolenko, S. V., V. Y. Gasso, V. A. Spirina, and A. O. Huslystyi. "Influence of pyrethroid and neonicotinoid insecticides on lizards (Reptilia, Squamata) (a review)." Питання степового лісознавства та лісової рекультивації земель 50 (September 15, 2021): 81–90. http://dx.doi.org/10.15421/442109.

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Pyrethroid and neonicotinoid pesticides are synthetic substances that are distributed in different economic activity spheres and until recent times were considered one of the safe types of insecticides. It is known that the use of pyrethroid and neonicotinoid insecticides have certain environmental risks for animal populations. Reptiles manifest a significant sensitivity to this family of insecticides. Lizards (Lacertilia) is a numerous group of animals, a large number of species of which is associated with biotopes located in the landscapes influenced by pesticides. Features of toxic effects

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Rabiu, Safanu. "Dietary resource partitioning among age-sex classes of Agama agama (Squamata: Agamidae) assessed by fecal pellet analysis." Phyllomedusa: Journal of Herpetology 18, no. 1 (2019): 63–75. http://dx.doi.org/10.11606/issn.2316-9079.v18i1p63-75.

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Dietary resource partitioning among age-sex classes of Agama agama (Squamata: Agamidae) assessed by fecal pellet analysis. Dietary analysis is critical to understand the ecological roles of lizards, especially of species of Agama that are colonizing continents and islands from which they were previously absent. The foraging habits of four groups—viz., adult females, adult males, and young and juveniles (of both sexes)—of Agama agama in Nigeria were observed to assess the diet of the lizards and the contribution of the diet to separating age-sex classes. The claim that fying arthropods are less

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Simon, Ádám, and Will Cresswell. "Urban areas as habitats for reptiles: the relative importance of environmental variables in predicting occurrence of common wall lizards Podarcis muralis." Herpetological Journal 35, no. 3 (2025): 226–37. https://doi.org/10.33256/35.3.226237.

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Understanding how reptiles are affected by urban environments is important in predicting their occurrence and future use of these habitats, particularly as the degree of urbanisation increases. We investigated how temperature, solar heating, habitat quality, disturbance and predation risk predicted occurrence, and any age-related differences in the common wall lizard Podarcis muralis in Budapest, Hungary. Eleven line transects were carried out across diverse urban habitats, over 19 days in August 2023. Transects were repeated on average 5.3 times, and the presence of lizards was recorded along

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Altunışık, Abdullah, and Halit Eksilmez. "Demographic life history traits in a population of a critically endangered species, Darevskia dryada (Darevsky & Tuniyev, 1997)." Animal Biology 68, no. 1 (2018): 27–37. http://dx.doi.org/10.1163/15707563-17000092.

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AbstractKnowing the age structure of endangered species is important in order to contribute to future conservation studies for such species. In this context, we investigated age structure, age at sexual maturity, potential reproductive lifespan and longevity in a population of the Charnali lizard,Darevskia dryada, an endangered species from Turkey. The results show that the Charnali lizard has a longer life span than other lizards of the genusDarevskiathat live in the same region. We estimated that these lizards attain their sexual maturity at the age of one or two years and the potential repr

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Mohanty, Nitya Prakash, Surendran Harikrishnan, and Karthikeyan Vasudevan. "Watch out where you sleep: nocturnal sleeping behaviour of Bay Island lizards." PeerJ 4 (April 25, 2016): e1856. http://dx.doi.org/10.7717/peerj.1856.

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Sleeping exposes lizards to predation. Therefore, sleeping strategies must be directed towards avoiding predation and might vary among syntopic species. We studied sleeping site characteristics of two syntopic, congeneric lizards—the Bay Island forest lizard,Coryphophylax subcristatusand the short-tailed Bay Island lizard,C. brevicaudusand evaluated inter-specific differences. We measured structural, microclimatic and potential predator avoidance at the sleeping perches of 386C. subcristatusand 185C. brevicaudus. Contrary to our expectation, we found similar perch use in both species. The liza

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Ortega, Zaida, Abraham Mencía, Aline Giroux, and Valentín Pérez-Mellado. "Broad seasonal changes in thermoregulation of Podarcis lilfordi (Squamata, Lacertidae) at Binicodrell islet (Menorca, Spain)." Herpetozoa 32 (May 13, 2019): 57–63. http://dx.doi.org/10.3897/herpetozoa.32.e35662.

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Most lizards maintain quite constant body temperatures by behavioural means. Seasonal variations of environmental factors, such as temperature, sunlight exposure and wind intensity, influence lizard thermoregulatory abilities. Understanding how seasonal environmental shifts influence lizards’ thermoregulation helps us to know how they deal behaviourally with environmental changes, in general. We examined seasonal shifts (spring vs. summer) in behavioural thermoregulation in Podarcislilfordi from Binicodrell islet (Menorca, Spain). Operative temperatures varied between microhabitats and seasons

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López, Pilar, and José Martín. "Lipids in the Femoral Gland Secretions of Male Schreiber’s Green Lizards, Lacerta schreiberi." Zeitschrift für Naturforschung C 61, no. 9-10 (2006): 763–68. http://dx.doi.org/10.1515/znc-2006-9-1025.

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AbstractIn spite of the importance of chemoreception and chemical signals in social organization of lizards, only a few studies have examined the chemical composition of secretions that lizards use for intraspecific communication. The secretion of the femoral glands of male Schreiber’s green lizards (Lacerta schreiberi) contains 51 lipophilic compounds, including several steroids, α-tocopherol, n-C9 to n-C22 carboxylic acids and their esteres, and minor components such as alcohols between C12 and C24, two lactones, two ketones, and squalene. These compounds were identified on the basis of mass

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Freitas, LM, JFFS Paranaíba, APS Peréz, MRF Machado, and FC Lima. "Toxicity of pesticides in lizards." Human & Experimental Toxicology 39, no. 5 (2020): 596–604. http://dx.doi.org/10.1177/0960327119899980.

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Many threats exist to reptile populations, environmental pollutants being one of them. Lizards and other reptiles are usually not taken into consideration in environmental risk assessments, with the use of surrogate species for their estimates. Unfortunately, not all pesticides have the same effects in the reptile species and on these surrogates, birds and mammals, some being more toxic in lizards. This difference brings the need to evaluate their toxicity in lizards to safeguard its protection. Studies in the last decades involving contaminants’ toxicity in lizard species have increased, thus

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Ortega, Zaida, Abraham Mencía, Aline Giroux, and Valentín Pérez-Mellado. "Broad seasonal changes in thermoregulation of Podarcis lilfordi (Squamata, Lacertidae) at Binicodrell islet (Menorca, Spain)." Herpetozoa 32, no. () (2019): 57–63. https://doi.org/10.3897/herpetozoa.32.e35662.

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Most lizards maintain quite constant body temperatures by behavioural means. Seasonal variations of environmental factors, such as temperature, sunlight exposure and wind intensity, influence lizard thermoregulatory abilities. Understanding how seasonal environmental shifts influence lizards' thermoregulation helps us to know how they deal behaviourally with environmental changes, in general. We examined seasonal shifts (spring vs. summer) in behavioural thermoregulation in Podarcis lilfordi from Binicodrell islet (Menorca, Spain). Operative temperatures varied between microhabitats and season

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Gabirot, M., A. M. Castilla, P. López, and J. Martín. "Chemosensory species recognition may reduce the frequency of hybridization between native and introduced lizards." Canadian Journal of Zoology 88, no. 1 (2010): 73–80. http://dx.doi.org/10.1139/z09-120.

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The introduction of alien species to islands by human activity can cause catastrophic consequences for small populations of island endemics. Hybridization between the endangered and endemic insular lizard Podarcis atrata (Boscá, 1916) from the Columbretes Islands (Mediterranean, Spain) and the common mainland lizard Podarcis hispanica (Steindachner, 1870) could potentially occur because mainland haplotypes have already been detected in the islands, the two species are closely genetically related, and the frequency of visitors to these islands is increasing. However, reproductive decisions of l

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Fava, Gustavo A., and Juan C. Acosta. "Escape distance and escape latency following simulated rapid bird attacks in an Andean lizard, Phymaturus williamsi." Behaviour 155, no. 10-12 (2018): 861–81. http://dx.doi.org/10.1163/1568539x-00003506.

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Abstract Predatory birds represent the greatest risk for many lizard species. However, little is known about the functional relationship between the escape distance and escape latency of lizards during a rapid bird attack. We hypothesised that escape latency and distance in the Andean lizard species Phymaturus williamsi would increase proportionally, but vary according to the means of escape. Over a three-year period we observed seven types of antipredatory behaviour in 98% P. williamsi lizards on simulated predatory bird attacks. Escape distance and latency were positively correlated. 65% of

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Ledesma, David T., Simon G. Scarpetta, John J. Jacisin, Antonio Meza, and Melissa E. Kemp. "Identification of Late Pleistocene and Holocene fossil lizards from Hall’s Cave (Kerr County, Texas) and a primer on morphological variation in North American lizard skulls." PLOS ONE 19, no. 8 (2024): e0308714. http://dx.doi.org/10.1371/journal.pone.0308714.

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Fossil identification practices have a profound effect on our interpretation of the past because these identifications form the basis for downstream analyses. Therefore, well-supported fossil identifications are necessary for examining the impact of past environmental changes on populations and communities. Here we apply an apomorphic identification framework in a case study identifying fossil lizard remains from Hall’s Cave, a late Quaternary fossil site located in Central Texas, USA. We present images and descriptions of a broad comparative sample of North American lizard cranial elements an

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Paterson, James E., Stacey L. Weiss, and Gabriel Blouin-Demers. "Experimental removal reveals only weak interspecific competition between two coexisting lizards." Canadian Journal of Zoology 96, no. 8 (2018): 888–96. http://dx.doi.org/10.1139/cjz-2017-0279.

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Competition for resources is an important mechanism that shapes ecological communities. Interspecific competition can affect habitat selection, fitness, and abundance in animals. We used a removal experiment and mark–recapture to test the hypothesis that competition with the larger and more abundant Striped Plateau Lizard (Sceloporus virgatus H.M. Smith, 1938) limits habitat selection, fitness, and abundance in Ornate Tree Lizards (Urosaurus ornatus (Baird in Baird and Girard, 1852)). Ornate Tree Lizards in the plots where Striped Plateau Lizards were removed switched between habitat types mor

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Ginsberg, Howard S., Graham J. Hickling, Genevieve Pang, et al. "Selective Host Attachment by Ixodes scapularis (Acari: Ixodidae): Tick–Lizard Associations in the Southeastern United States." Journal of Medical Entomology 59, no. 1 (2021): 267–72. http://dx.doi.org/10.1093/jme/tjab181.

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Abstract Questing behavior and host associations of immature blacklegged ticks, Ixodes scapularis Say, from the southeastern United States are known to differ from those in the north. To elucidate these relationships we describe host associations of larval and nymphal I. scapularis from 8 lizard species sampled from 5 sites in the southeastern U.S. Larvae and nymphs attached in greater numbers to larger lizards than to smaller lizards, with differential levels of attachment to different lizard species. Blacklegged ticks are generally attached to skinks of the genus Plestiodon in greater number

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Richter, Dania, and Franz-Rainer Matuschka. "Perpetuation of the Lyme Disease Spirochete Borrelia lusitaniae by Lizards." Applied and Environmental Microbiology 72, no. 7 (2006): 4627–32. http://dx.doi.org/10.1128/aem.00285-06.

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ABSTRACT To determine whether the Lyme disease spirochete Borrelia lusitaniae is associated with lizards, we compared the prevalence and genospecies of spirochetes present in rodent- and lizard-associated ticks at a site where this spirochete frequently infects questing ticks. Whereas questing nymphal Ixodes ricinus ticks were infected mainly by Borrelia afzelii, one-half of the infected adult ticks harbored B. lusitaniae at our study site. Lyme disease spirochetes were more prevalent in sand lizards (Lacerta agilis) and common wall lizards (Podarcis muralis) than in small rodents. Although su

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Campos, Stephanie M., and Selma S. Belkasim. "Chemical Communication in Lizards and a Potential Role for Vasotocin in Modulating Social Interactions." Integrative and Comparative Biology 61, no. 1 (2021): 205–20. http://dx.doi.org/10.1093/icb/icab044.

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Synopsis Lizards use chemical communication to mediate many reproductive, competitive, and social behaviors, but the neuroendocrine mechanisms underlying chemical communication in lizards are not well understood and understudied. By implementing a neuroendocrine approach to the study of chemical communication in reptiles, we can address a major gap in our knowledge of the evolutionary mechanisms shaping chemical communication in vertebrates. The neuropeptide arginine vasotocin (AVT) and its mammalian homolog vasopressin are responsible for a broad spectrum of diversity in competitive and repro

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Fenner, Aaron L., and C. Michael Bull. "The use of scats as social signals in a solitary, endangered scincid lizard, Tiliqua adelaidensis." Wildlife Research 37, no. 7 (2010): 582. http://dx.doi.org/10.1071/wr10122.

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Context The deliberate accumulation of faeces or scats in one location is a common behaviour used for social signalling. The endangered pygmy bluetongue lizard, Tiliqua adelaidensis, is a solitary-living species that appears to use scats as social signals. Previous studies have found that these lizards approach burrows more cautiously if there is a conspecific scat present and behave differently to scats from male and female conspecifics, indicating that these lizards can recognise scat-based conspecific cues. For endangered species, understanding how an animal uses and responds to chemical cu

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Murray, Ian W., Andrea Fuller, Hilary M. Lease, Duncan Mitchell, Blair O. Wolf, and Robyn S. Hetem. "The actively foraging desert lizard Pedioplanis husabensis (Husab Sand Lizard) behaviorally optimizes its energetic economy." Canadian Journal of Zoology 92, no. 10 (2014): 905–13. http://dx.doi.org/10.1139/cjz-2014-0086.

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The Husab Sand Lizard (Pedioplanis husabensis Berger-Dell’Mour and Mayer, 1989) is a recently described lacertid lizard endemic to a small region in the central Namib Desert. Although this species is of conservation concern, very little is known about how this lizard functions in its environment. We used the doubly labeled water method to measure the field energetics in this lizard species and we report on its foraging behavior. Pedioplanis husabensis had summer field metabolic rates (330 ± 140 J·d−1) that were similar to those of other similarly sized sit-and-wait foraging lizards (360 J·d−1)

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Álvarez-Ruiz, Lola, Josabel Belliure, and Juli G. Pausas. "Fire-driven behavioral response to smoke in a Mediterranean lizard." Behavioral Ecology 32, no. 4 (2021): 662–67. http://dx.doi.org/10.1093/beheco/arab010.

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Abstract The evolutionary role of fire in animals has been poorly explored. Reptiles use sensory cues, such as smell (chemoreception), to detect threats and flee. In Mediterranean ecosystems, fire is a threat faced by reptiles. We hypothesized that the Mediterranean lizard Psammodromus algirus recognizes the threat of fire by detecting the smoke, which triggers a behavioral response that enhances survival in fire-prone ecosystems. We predicted that lizards from fire-prone ecosystems will be more sensitive to fire stimulus than those from ecosystems that rarely burn. We conducted a terrarium ex

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