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Journal articles on the topic 'Tropidurus'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 February 2022

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1

Vitt, Laurie J., Peter A. Zani, and Teresa Cristina S. Avila-Pires. "Ecology of the arboreal tropidurid lizard Tropidurus (=Plica) umbra in the Amazon region." Canadian Journal of Zoology 75, no. 11 (1997): 1876–82. http://dx.doi.org/10.1139/z97-817.

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The tropidurid lizard Tropidurus umbra lives on medium-sized trees in lowland tropical forest of the Amazon region. Individuals may be active on tree trunks in sun or shade, with most activity occurring from 11:00 to 13:00. Body temperatures average 29.1 °C. The diet consists nearly exclusively of ants and there is no relationship between prey size and lizard size. Females reach sexual maturity at 79 mm snout–vent length (SVL) and males at 78 mm SVL. Although there appears to be no sexual dimorphism in SVL, males have relatively larger heads than females. Clutch size is usually two eggs and fe

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Van Sluys, Monique, Fábio Hatano, Joaquim Vicente, et al. "Nematode infection patterns in four sympatric lizards from a restinga habitat (Jurubatiba) in Rio de Janeiro state, southeastern Brazil." Amphibia-Reptilia 21, no. 3 (2000): 307–16. http://dx.doi.org/10.1163/156853800507507.

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AbstractSpecimens of the four most abundant diurnal lizards (Tropidurus torquatus, Cnemidophorus littoralis, Mabuya macrorhyncha and M. agilis) inhabiting the restinga of Jurubatiba, Rio de Janeiro state, Brazil were examined for nematodes. Eight species of nematodes were found. Tropidurus torquatus had the richest (8 species) and most diverse nematode fauna, whereas that of C. littoralis was the poorest (2 species) and less diverse. Tropidurus torquatus also had the highest overall prevalence (92%) and mean infection intensity (37.2; standard deviation 82.0; range 2-549). Similarities in nema

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Santana, Daniel Oliveira, Francis Luiz Santos Caldas, Lucas Barbosa De Queiroga Cavalcanti, et al. "Occurrence of Amblyomma sp. (Acari: Ixodidae) in Tropidurus hispidus (Spix, 1825) (Squamata: Tropiduridae) in Parque Nacional Serra de Itabaiana, Sergipe, Brazil." Pesquisa e Ensino em Ciências Exatas e da Natureza 1, no. 2 (2017): 99. http://dx.doi.org/10.29215/pecen.v1i2.448.

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<p>Lagartos frequentemente são parasitados por espécies de Acari (ácaros e carrapatos). No presente estudo relatamos a ocorrência de Amblyomma sp. (carrapato) parasitando um indivíduo juvenil de Tropidurus hispidus (Spix, 1825). A observação foi realizada no Parque Nacional Serra de Itabaiana (PNSI) no estado de Sergipe, nordeste do Brasil.</p><p><strong>Palavras chave</strong>: Parasita, carrapato, Amblyomma, bolsa de ácaro, Tropidurus.</p><p><strong>Abstract</strong>: Lizards are often parasitized by Acari species (mites and ticks). In th

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Vitt, Laurie J. "Ecology of isolated open-formation Tropidurus (Reptilia: Tropiduridae) in Amazonian lowland rain forest." Canadian Journal of Zoology 71, no. 12 (1993): 2370–90. http://dx.doi.org/10.1139/z93-333.

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Ecological, morphological, and life-history characteristics of three as yet undescribed populations of open-formation Tropidurus species in Rondônia and a population of Tropidurus oreadicus in Pará, Brazil, that are isolated on rock outcrops completely surrounded by lowland tropical forest were compared with similar characteristics of a eurytopic open-formation close relative, Tropidurus hispidus, and a crevice-adapted close relative, Tropidurus semitaeniatus, from an open-formation (caatinga) habitat in northeastern Brazil. Individuals of the isolated Amazonian populations do not enter the fo

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Faria, R. G., and A. F. B. Araujo. "Sintopy of two Tropidurus lizard species (Squamata: Tropiduridae) in a rocky Cerrado habitat in Central Brazil." Brazilian Journal of Biology 64, no. 4 (2004): 775–86. http://dx.doi.org/10.1590/s1519-69842004000500007.

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We studied the ecology of Tropidurus itambere and T. oreadicus that occur syntopically in rocky habitats of Cerrado vegetation in central Brazil during the dry season (April to September 2000). The two species are ecologically similar, but somewhat differentiated in vertical microhabitat use. The two species preferred rocky surface microhabitat. Both species demonstrated a unimodal activity pattern, with a peak between 10 and 15 h. Their diets were similar in composition and prey size. The most frequent item used by both species was ants, whereas the most important preys volumetrically were te

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Maia-Carneiro, Thiago, and Carlos Arturo Navas. "Body lifting, flattening, and burying of Tropidurus catalanensis Gudynas & Skuk, 1983 (Squamata, Tropiduridae): Defense, thermoregulation, or both?" Brazilian Journal of Biological Sciences 7, no. 17 (2020): 339–42. http://dx.doi.org/10.21472/bjbs(2020)071709.

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Lizards of the genus Tropidurus display different behaviors for thermoregulation and defense. Here, we report new displays for Tropidurus catalanensis, which helps to understand how these lizards behave. Captive individuals lifted, flattened, and buried their bodies. Flattening and upstanding the bodies allow looking larger and may discourage attacks, as well as respectively enhance and decrease the approximation and the contact of body surfaces with substrates to thermoregulate. Burying themselves into earth and sand may help lizards to avoid or escape from menaces. When we first opened the c

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Duarte Rocha, Carlos Frederico, and Silvia Maria Gandolfi. "Orientation of thermoregulating Tropidurus torquatus." Amphibia-Reptilia 19, no. 3 (1998): 319–23. http://dx.doi.org/10.1163/156853898x00223.

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8

Goldberg, S. R., and E. Rodriguez. "Reproductive cycles of two iguanid lizards from northern Chile, Tropidurus quadrivittatus and Tropidurus theresioides." Journal of Arid Environments 10, no. 2 (1986): 147–51. http://dx.doi.org/10.1016/s0140-1963(18)31255-2.

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9

Teixeira, R. D., G. H. C. Vieira, G. R. Colli, and S. N. Báo. "Ultrastructural study of spermatozoa of the neotropical lizards, Tropidurus semitaeniatus and Tropidurus torquatus (Squamata, Tropiduridae)." Tissue and Cell 31, no. 3 (1999): 308–17. http://dx.doi.org/10.1054/tice.1999.0047.

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Vieira, Washington Luiz Silva, Maria Betânia Ribeiro Gonçalves, and Rômulo Pantoja Nóbrega. "Predation on Tropidurus hispidus (Squamata: Tropiduridae) by Lasiodora klugi (Aranea: Theraphosidae) in the semiarid caatinga region of northeastern Brazil." Biota Neotropica 12, no. 4 (2012): 263–65. http://dx.doi.org/10.1590/s1676-06032012000400028.

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A predation event on Tropidurus hispidus (Tropiduridae) by the crab spider Lasiodora klugi (Theraphosidae) was observed in an arboreal caatinga area in northeastern Brazil. Arthropods are potential predators of small vertebrates and researchers have reported predation events involving spiders and herpetofauna in Neotropical regions. As such, the present short communication is the second case of predation of spiders on Tropidurus lizards in Brazil, and the first for the semiarid caatinga, reinforcing the argument that large spiders have relevant roles as predators of these animals.

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Mikalauskas, Jefferson Simanas, Daniel Oliveira Santana, and Stephen Francis Ferrari. "Lizard predation Tropidurus hispidus (Squamata, Tropiduridae) by false coral snake Oxyrhopus trigeminus (Squamata, Dipsadidae) in the Caatinga, in northeastern Brazil." Pesquisa e Ensino em Ciências Exatas e da Natureza 1, no. 1 (2017): 60. http://dx.doi.org/10.29215/pecen.v1i1.174.

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<p align="justify">A predação de lagartos raramente é observada na natureza, e eventos envolvendo serpentes são ainda mais escassos. Aqui nós documentamos em detalhes a predação de um lagarto (Tropidurus hispidus (Spix, 1825)) por uma serpente (Oxyrhopus trigeminus Duméril, Bibron &amp; Duméril, 1854). Muitos estudos identificaram lagartos Tropidurus Wied-Neuwied, 1825 como presas de serpentes brasileiras. Assim, este registro fornece importantes informações sobre a história natural de ambas as espécies, especialmente de O. trigeminus, que são essenciais para a compreensão de sua eco

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Miranda, Kelton Gonçalves, Marcella Junqueira Goulart, and Conrado Barbosa Galdino. "Digit ratio in three species of tropidurid lizards." Herpetozoa 34 (March 9, 2021): 67–70. http://dx.doi.org/10.3897/herpetozoa.34.e59064.

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Proportions between pairs of digits are linked to fitness in tetrapods and they can be influenced by sex hormones through individuals’ ontogenies. Therefore, in many species, the proportions amongst finger length ratios (referred as digit ratio, i.e. 2D second and 4D fourth digits) can differ between males and females. We investigated whether the three most commonly used forelimb digit ratios are sexually dimorphic in three tropidurid species. In one of the three lizard species, Eurolophosaurus nanuzae, males and females differ for only 2D:4D digit ratio. Otherwise, our results on the studied

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Wright, J. W., T. J. Lopez, L. R. Maxson, and E. D. Hauselman. "Preliminary analysis of phylogenetic relationships among Galapagos Island lizards of the genus Tropidurus." Amphibia-Reptilia 13, no. 4 (1992): 327–39. http://dx.doi.org/10.1163/156853892x00030.

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AbstractAlbumin evolution in six species of Galapagos iguanid lizards of the genus Tropidurus was measured using the quantitative immunological technique of micro-complement fixation. We propose a phylogeny for these species based upon their albumin differentiation. Our data suggest several colonizations from the South American mainland are needed to account for current species diversity on the Galapagos Islands. The standard calibration for the albumin molecular clock yields divergence estimates for Galapagos Tropidurus that are similar to those previously reported for the iguanas in the Gala

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Santos, Hellen S., Jamile M. S. Santos, Maria H. T. Matos, Naisandra B. Silva, Eliza M. X. Freire, and Leonardo B. Ribeiro. "Ovarian follicular cycle of Tropidurus hispidus and Tropidurus semitaeniatus (Squamata: Tropiduridae) in a semiarid region of Brazil." Zoologia (Curitiba) 32, no. 1 (2015): 86–92. http://dx.doi.org/10.1590/s1984-46702015000100014.

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PASSOS, DANIEL CUNHA, DANIEL CASSIANO LIMA, and DIVA MARIA BORGES-NOJOSA. "A new species of Tropidurus (Squamata, Tropiduridae) of the semitaeniatus group from a semiarid area in Northeastern Brazil." Zootaxa 2930, no. 1 (2011): 60. http://dx.doi.org/10.11646/zootaxa.2930.1.5.

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A new species of Tropidurus of the semitaeniatus group is described from northeastern Brazil. Tropidurus sp. nov. is morphologically similar to other species of the group in the marked dorsoventral flattening of the body, and the presence of a series of sublabial shields that are larger than the adjacent scales. It is distinguished by a single middorsal longitudinal light stripe that extends from the snout to the scapular region. The new species appears to have the largest body size of the group. The new species inhabits the Vale do Jaguaribe, in the eastern part of the state of Ceará, where t

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Arruda, Jeferson Luis Steindorff de, Diego Aguiar Arruda, and Sonia Zanini Cechin. "Reptilia, Squamata, Tropiduridae, Tropidurus torquatus: distribution extension." Check List 4, no. 3 (2008): 269. http://dx.doi.org/10.15560/4.3.269.

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Ferreira, A., DN Silva, M. Van Sluys, and H. Dolder. "Seasonal changes in testicular and epididymal histology of the tropical lizard, Tropidurus itambere (Rodrigues, 1987), during its reproductive cycle." Brazilian Journal of Biology 69, no. 2 (2009): 429–35. http://dx.doi.org/10.1590/s1519-69842009000200028.

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The reproductive cycles of lizards, including Tropidurus species, have been widely studied. However, few studies describe in detail the ultrastructure and the epithelial changes in the epididymis. Using histology and trasmission electron microscopy, we show the seasonal changes in the testis and epididymis of the lizard Tropidurus itambere, during its annual reproductive cycle. The reproductive cycle of T. itambere was analysed from June 1988 to June 1989 and from June 2001 to June 2002. While the frequency of reproductive males in the population varied throughout the year, there were reproduc

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Almeida, WO, GG Santana, WLS Vieira, and IC Wanderley. "Infection rates of pentastomids on lizards in urban habitats in the Brazilian northeast." Brazilian Journal of Biology 68, no. 4 (2008): 885–88. http://dx.doi.org/10.1590/s1519-69842008000400026.

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The rates of pentastomid infections in the syntopic lizards Hemidactylus mabouia and Tropidurus hispidus inhabiting buildings at the Federal University of Paraiba, in João Pessoa, NE Brazil were examined. A total of 30 specimens of Hemidactylus mabouia and 55 specimens of Tropidurus hispidus were examined. The animals were sacrificed by freezing and then fixed and conserved in 70% alcohol. Analyses of the respiratory tract of Hemidactylus mabouia demonstrated that these lizards were infected by Raillietiella frenatus at a rate of 20% (6/30) with an average infection intensity of 1.33 ± 0.21, 1

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CACCIALI, PIER, and GUNTHER KÖHLER. "Diversity of Tropidurus (Squamata: Tropiduridae) in Paraguay—an integrative taxonomic approach based on morphological and molecular genetic evidence." Zootaxa 4375, no. 4 (2018): 511. http://dx.doi.org/10.11646/zootaxa.4375.4.3.

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Tropidurus is a Neotropical genus of iguanoid lizards characterized by a conspicuously enlarged interparietal plate, the presence of gular folds, presence of infradigital keels, and the absence of femoral pores. Currently, 29 species are recognized within the genus, seven of which are present in Paraguay: T. etheridgei, T. torquatus, T. guarani, T. lagunablanca, T. spinulosus, T. tarara, and T. teyumirim. We generated genetic data based on two DNA mitochondrial markers (16S and COI) and one nuclear (PRLR) marker for all the seven Paraguayan species with the goal to identify the taxonomic relat

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Fernandes, Danilo Camargo, and Daniel Cunha Passos. "The voices of an alleged mute: sound emissions in a Tropidurus lizard." Behaviour 158, no. 8-9 (2021): 819–28. http://dx.doi.org/10.1163/1568539x-bja10092.

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Abstract Although the major Squamata lineages are primarily oriented by chemical or visual sensory systems, many lizards are able to use acoustic information and several species produce sounds. However, while gekkotans are renowned by their complex vocal repertoires, sounds of other lizards are much less known. Herein we characterize the sounds emitted by individuals of Tropidurus catalanensis (Tropiduridae) from southeastern Brazil in response to threat stimuli. Our results revealed that the acoustic display was consistently emitted by adult individuals. The typical sound emission consisted o

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Siqueira, Carla Costa, Mara Cíntia Kiefer, Monique Van Sluys, and Carlos Frederico Duarte Rocha. "Variation in the diet of the lizard Tropidurus torquatus along its coastal range in Brazil." Biota Neotropica 13, no. 3 (2013): 93–101. http://dx.doi.org/10.1590/s1676-06032013000300012.

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The diet composition of lizards of a given species may vary among different populations. The feeding ecology of the tropidurid lizard Tropidurus torquatus was studied in 10 coastal areas in Brazil in order to detect to what extent the diet varies along its geographic range. A non-metric multidimensional scaling technique revealed three groups of localities according to the diet composition: one characterized by a relatively high consumption of Isoptera, one characterized by a relatively high proportion of plant matter, and one in which there was a great importance of Formicidae. We found a wea

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Anjos, L. A., R. W. Ávila, S. C. Ribeiro, W. O. Almeida, and R. J. da Silva. "Gastrointestinal nematodes of the lizard Tropidurus hispidus (Squamata: Tropiduridae) from a semi-arid region of north-eastern Brazil." Journal of Helminthology 87, no. 4 (2012): 443–49. http://dx.doi.org/10.1017/s0022149x12000491.

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AbstractThe tropidurid lizard Tropidurus hispidus has a wide distribution in South America. However, knowledge about its helminth fauna is patchy and has been reported for only a few localities along its range of distribution. This study presents data on helminth fauna composition and parameters of infection for a population of T. hispidus from an area within the Brazilian Caatinga biome (semi-arid physiognomy). We found five nematode species within the gastrointestinal tract of lizards: Parapharyngodonsceleratus (Pharyngodonidae); Physalopteralutzi, Physalopteraretusa and Physalopteroidesvena

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Bursey, Charles R., and Stephen R. Goldberg. "Helminths of Tropidurus guarani (Sauria: Tropiduridae) from Paraguay." Comparative Parasitology 71, no. 2 (2004): 203–7. http://dx.doi.org/10.1654/4105.

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Werner, Dagmar I. "On the Biology of Tropidurus delanonis, Baur (Iguanidae)." Zeitschrift für Tierpsychologie 47, no. 4 (2010): 337–95. http://dx.doi.org/10.1111/j.1439-0310.1978.tb01843.x.

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Filogonio, Renato, Fernanda S. Del Lama, Leonardo L. Machado, et al. "Daily activity and microhabitat use of sympatric lizards from Serra do Cipó, southeastern Brazil." Iheringia. Série Zoologia 100, no. 4 (2010): 336–40. http://dx.doi.org/10.1590/s0073-47212010000400008.

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We studied the influence of seasonality on the daily activity pattern and microhabitat use of three sympatric lizard species, Cnemidophorus ocellifer Spix, 1825 (Teiidae), Tropidurus montanus Rodrigues, 1987 and Eurolophosaurus nanuzae (Rodrigues, 1981) (Tropiduridae), in an area of campos rupestres (rocky fields) habitat in state of Minas Gerais, Brazil. Cnemidophorus ocellifer exhibited low density and activity concentrated within the hottest hours of the day, and was observed mainly on shaded rocks. Tropidurus montanus and E. nanuzae had similar activity patterns that did not vary between s

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Alcantara, Edna P., Cristiana Ferreira-Silva, José Guilherme G. Sousa, Robson W. Ávila, and Drausio H. Morais. "Ecology and parasitism of the lizard Tropidurus jaguaribanus (Squamata: Tropiduridae) from northeastern Brazil." Phyllomedusa: Journal of Herpetology 17, no. 2 (2018): 195–210. http://dx.doi.org/10.11606/issn.2316-9079.v17i2p195-210.

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Ecology and parasitism of the lizard Tropidurus jaguaribanus (Squamata: Tropiduridae) from northeastern Brazil. Specimens of Tropidurus jaguaribanus were collected as part of a study of their use of microhabitats, activity period, body temperature, diet, foraging, sexual dimorphism (in size and in form), reproductive biology, and parasite community composition. The preferential microhabitat of the species is the surface of rocks (saxicolous habit). The species has a bimodal diurnal activity period and a seasonal reproductive cycle. The diet is composed mainly of beetles and ants in adults and

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Ribeiro, Leonardo B., and Eliza M. X. Freire. "Trophic ecology and foraging behavior of Tropidurus hispidus and Tropidurus semitaeniatus (Squamata, Tropiduridae) in a caatinga area of northeastern Brazil." Iheringia. Série Zoologia 101, no. 3 (2011): 225–32. http://dx.doi.org/10.1590/s0073-47212011000200010.

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This study aimed to analyze the seasonal variation in diet composition and foraging behavior of Tropidurus hispidus (Spix, 1825) and T. semitaeniatus (Spix, 1825), as well as measurement of the foraging intensity (number of moves, time spent stationary, distance traveled and number of attacks on prey items) in a caatinga patch on the state of Rio Grande do Norte, Brazil. Hymenoptera/Formicidae and Isoptera predominated in the diet of both species during the dry season. Opportunistic predation on lepidopteran larvae, coleopteran larvae and adults, and orthopteran nymphs and adults occurred in t

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RIBEIRO, LEONARDO B., NAISANDRA B. SILVA, and ELIZA M. X. FREIRE. "Reproductive and fat body cycles of Tropidurus hispidus and Tropidurus semitaeniatus (Squamata, Tropiduridae) in a caatinga area of northeastern Brazil." Revista chilena de historia natural 85, no. 3 (2012): 307–20. http://dx.doi.org/10.4067/s0716-078x2012000300005.

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Espinoza, Robert, Jason Habegger, and William Cooper. "Responses to prey and plant chemicals by three iguanian lizards: relationship to plants in the diet." Amphibia-Reptilia 22, no. 3 (2001): 349–61. http://dx.doi.org/10.1163/156853801317050142.

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AbstractWe examined responses of three iguanian lizards, the phrynosomatid Sceloporus poinsettii and the tropidurids Tropidurus hispidus and Phymaturus punae, to prey chemicals and plant chemicals. When chemical stimuli were presented on cotton swabs or on ceramic tiles, neither S. poinsettii nor T. hispidus discriminated among prey, plant, and control stimuli. In contrast, an individual of P. punae discriminated both prey and plant chemicals from control stimuli in swab tests, typically biting swabs bearing prey or plant cues. These findings are consistent with the hypothesis that plant chemi

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Padilla Perez, Dylan J., Jose E. de Carvalho, and Carlos A. Navas. "Effects of food intake and hydration state on behavioral thermoregulation and locomotor activity in the tropidurid lizard Tropidurus catalanensis." Journal of Experimental Biology 224, no. 6 (2021): jeb242199. http://dx.doi.org/10.1242/jeb.242199.

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ABSTRACT Theoretical models predict that lizards adjust their body temperature through behavioral thermoregulation as a function of food availability. However, behavioral thermoregulation is also governed by interactions among physiological and ecological factors other than food availability, such as hydration state, and sometimes it can even conflict with the locomotor activity of animals. Here, we aimed to investigate the role of food intake and hydration state on behavioral thermoregulation and voluntary locomotor activity in the lizard Tropidurus catalanensis. We hypothesized that food int

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FERREIRA, ADELINA, and HEIDI DOLDER. "Sperm ultrastructure and spermatogenesis in the lizard, Tropidurus itambere." BIOCELL 27, no. 3 (2003): 353–62. http://dx.doi.org/10.32604/biocell.2003.27.353.

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Pelegrin, Nicolás. "Reproductive behavior of Tropidurus spinulosus (Squamata: Tropiduridae) in captivity." Phyllomedusa: Journal of Herpetology 18, no. 1 (2019): 123–26. http://dx.doi.org/10.11606/issn.2316-9079.v18i1p123-126.

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Duarte Rocha, Carlos Frederico, Sueli Carvalho Ribas, and Monique Van Sluys. "Nematodes infecting the lizard Tropidurus itambere in southeastern Brazil." Amphibia-Reptilia 15, no. 4 (1994): 405–8. http://dx.doi.org/10.1163/156853894x00443.

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Nascimento, Sebastião. "OCORRÊNCIA DE LAGARTOS NO “LAVRADO” DE RORAIMA (SAURIA: GEKKONIDAE, TEIIDAE, IGUANIDAE, POLYCHRIDAE, TROPIDURIDAE, SCINCIDAE E AMPHISBAENIDAE)." Boletim do Museu Integrado de Roraima (Online) 4, no. 01 (2020): 39–49. http://dx.doi.org/10.24979/bolmirr.v4i01.729.

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   O objetivo do trabalho foi demonstrar a ocorrência dos lagartos nas áreas abertas (lavrado) de Roraima, Brasil. Coletei 15 espécies: 5 Teiidae, 4 Gekkonidae, 1 Iguanidae, 1 Polychridae, 1 Tropiduridae, 1 Scincidae e 2 Amphisbaenidae. Tropidurus hispidus e Cnemidophurus lemniscatus foram as de maior ocorrência.  

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Brito, Samuel V., Felipe S. Ferreira, Samuel C. Ribeiro, et al. "Spatial-temporal variation of parasites in Cnemidophorus ocellifer (Teiidae) and Tropidurus hispidus and Tropidurus semitaeniatus (Tropiduridae) from Caatinga areas in northeastern Brazil." Parasitology Research 113, no. 3 (2014): 1163–69. http://dx.doi.org/10.1007/s00436-014-3754-7.

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Václav, A. B. H. P., L. A. Anjos, M. S. Queiróz, L. B. Nascimento, and C. A. B. Galdino. "Nematode infection patterns in a Neotropical lizard species from an insular mountain habitat in Brazil." Journal of Helminthology 91, no. 5 (2016): 578–82. http://dx.doi.org/10.1017/s0022149x16000754.

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AbstractNeotropical lizards are known to harbour rich nematode parasite faunas; however, knowledge of the diversity and patterns of infection are still lacking for many species. This is true for the genus Tropidurus, in which data on patterns of parasitism are known for only approximately 11 of its 30 species. We show that the nematode fauna associated with a population of Tropidurus montanus is composed of three species of host-generalist parasites with high overall prevalence. Male and female lizards did not differ in infection pattern and there was no relationship between host body size and

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Martelotte, Sandra, Carlos Rocha, Mara Cíntia Kiefer, and Monique Van Sluys. "Reproduction in neotropical Tropidurus lizards (Tropiduridae): evaluating the effect of environmental factors on T. torquatus." Amphibia-Reptilia 31, no. 1 (2010): 117–26. http://dx.doi.org/10.1163/156853810790457920.

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AbstractLizards exhibit a wide array of reproductive strategies. For tropical lizards, a single reproductive pattern is not evident, and the actual determinants of seasonality in reproduction remain unclear. Tropidurus torquatus is the most widely distributed species of the genus in Brazil and occurs in coastal and inland areas, and in islands off the Brazilian shore. In this study, we examine the reproductive cycle of T. torquatus at a coastal area in Rio de Janeiro State, southeastern Brazil. We analysed the reproductive cycle of T. torquatus from one coastal population to evaluate how repro

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Kiefer, M. C., M. Van Sluys, and C. F. D. Rocha. "Clutch and egg size of the tropical lizard Tropidurus torquatus (Tropiduridae) along its geographic range in coastal eastern Brazil." Canadian Journal of Zoology 86, no. 12 (2008): 1376–88. http://dx.doi.org/10.1139/z08-106.

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The tropidurid lizard Tropidurus torquatus (Wied, 1820) has a set of populations inhabiting coastal sand dune habitats (“restinga”) along the eastern Brazilian coast. Despite its wide geographic range, there is no information about geographic variation in reproductive features among its populations. In the present study we compared some reproductive aspects of females in 10 coastal populations of T. torquatus, aiming to evaluate to what extension they vary geographically. The minimum size at maturity was relatively similar to most populations, but mean female body size had a considerable varia

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Simon, Monique Nouailhetas, Renata Brandt, Tiana Kohlsdorf, and Stevan J. Arnold. "Bite performance surfaces of three ecologically divergent Iguanidae lizards: relationships with lower jaw bones." Biological Journal of the Linnean Society 127, no. 4 (2019): 810–25. http://dx.doi.org/10.1093/biolinnean/blz067.

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Abstract Traits that interact to perform an ecologically relevant function are expected to be under multivariate non-linear selection. Using the lower jaw morphology as a biomechanical model, we test the hypothesis that lower jaw bones of lizards are subjected to stabilizing and correlational selection, associated with mechanical advantage and maximum bite force. We used three closely related tropidurine species that differ in size, head shape and microhabitat: Eurolophosaurus nanuzae, Tropidurus hispidus and Tropidurus semitaeniatus. We predicted a common pattern of correlational selection on

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Arruda, Jeferson Luis Steindorff de, Gisele R. Winck, Luiza Loebens, Diego Aguiar de Arruda, and Sonia Zanini Cechin. "Reproductive Ecology of Tropidurus catalanensis (Squamata: Tropiduridae) in Southern Brazil." South American Journal of Herpetology 14, no. 2 (2019): 103. http://dx.doi.org/10.2994/sajh-d-17-00089.1.

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Scorza, J. V. "Some haematological observations on Tropidurus torquatus (Sauria, Iguanidae) from Venezuela*." Journal of Zoology 165, no. 4 (2009): 557–61. http://dx.doi.org/10.1111/j.1469-7998.1971.tb02210.x.

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Kohlsdorf, Tiana, Joana M. Ribeiro, and Carlos A. Navas. "Territory quality and male dominance in Tropidurus torquatus (Squamata, Tropiduridae)." Phyllomedusa: Journal of Herpetology 5, no. 2 (2006): 109. http://dx.doi.org/10.11606/issn.2316-9079.v5i2p109-118.

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Rodrigues, A. V., and T. Kohlsdorf. "Learning skills in Tropidurus lizards are associated with territory harshness." Journal of Zoology 309, no. 4 (2019): 250–58. http://dx.doi.org/10.1111/jzo.12721.

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Wiederhecker, Helga, Adriana Pinto, and Guarino Colli. "Sexual dimorphism in the Neotropical lizard, Tropidurus torquatus (Squamata, Tropiduridae)." Amphibia-Reptilia 26, no. 2 (2005): 127–37. http://dx.doi.org/10.1163/1568538054253384.

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AbstractWe describe the sexual dimorphism in coloration, body shape, and body size in Tropidurus torquatus, a widely distributed lizard species in central Brazil. Adult males have colored patches varying from yellow to yellow-and-black, and black on the abdomen, ventral aspect of the thighs, and pre-cloacal flap. Adult females lack ventral colored patches. During ontogeny, there is a gradual darkening of the patches, but no modification either in patch size or color is associated with the reproductive cycle. Adult males have wider heads and thinner bodies than females of the same body size. Ma

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Aun, Liliana, and Ricardo Martori. "Aspects of the ecology of a population of Tropidurus spinulosus." Amphibia-Reptilia 15, no. 3 (1994): 317–21. http://dx.doi.org/10.1163/156853894x00092.

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KUNZ, TOBIAS SARAIVA, and MÁRCIO BORGES-MARTINS. "A new microendemic species of Tropidurus (Squamata: Tropiduridae) from southern Brazil and revalidation of Tropidurus catalanensis Gudynas & Skuk, 1983." Zootaxa 3681, no. 4 (2013): 413. http://dx.doi.org/10.11646/zootaxa.3681.4.6.

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De-Lima, Anderson Kennedy Soares, Ingrid Pinheiro Paschoaletto, Lorena de Oliveira Pinho, Piktor Benmamman, and Julia Klaczko. "Are hemipenial traits under sexual selection in Tropidurus lizards? Hemipenial development, male and female genital morphology, allometry and coevolution in Tropidurus torquatus (Squamata: Tropiduridae)." PLOS ONE 14, no. 7 (2019): e0219053. http://dx.doi.org/10.1371/journal.pone.0219053.

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Kolodiuk, Miguel F., Leonardo B. Ribeiro, and Eliza M. X. Freire. "The effects of seasonality on the foraging behavior of Tropidurus hispidus and Tropidurus semitaeniatus (Squamata: Tropiduridae) living in sympatry in the Caatinga of northeastern Brazil." Zoologia (Curitiba) 26, no. 3 (2009): 581–85. http://dx.doi.org/10.1590/s1984-46702009000300026.

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TEIXEIRA, R. L., and M. GIOVANELLI. "Ecologia de Tropidurus torquatus (Sauria: Tropiduridae) da Restinga de Guriri, São Mateus, ES." Revista Brasileira de Biologia 59, no. 1 (1999): 11–18. http://dx.doi.org/10.1590/s0034-71081999000100002.

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Aspectos da ecologia de Tropidurus torquatus foram estudados mensalmente na restinga de Guriri, São Mateus, Norte do Espírito Santo, de fevereiro de 1996 a março de 1997. Foram coletados 108 exemplares com arma de pressão, sendo 45 machos, 56 fêmeas e 7 exemplares cujo sexo não foi identificado. O comprimento rostro-anal no total dos exemplares variou de 26,0 a 101,8 mm (média = 61,7 mm; DP = 15,1). O peso no total dos exemplares variou de 0,8 a 39,6 g (média = 14,6 g; DP = 10,4). Em freqüência de ocorrência, os itens alimentares que predominaram na dieta de T. torquatus foram as formigas (85,

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Caetano, Gabriel Henrique De Oliveira, and Guarino Rinaldi Colli. "Climate instability causing the decline of a Neotropical savanna lizard population (Squamata: Tropiduridae)." Biological Journal of the Linnean Society 134, no. 2 (2021): 474–85. http://dx.doi.org/10.1093/biolinnean/blab084.

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Abstract Populations that evolved in predictable seasonal environments might not have mechanisms to deal with unpredictable climate change. Assessing whether these populations can cope with recent increases in climate extremes and variability can better inform conservation efforts. We investigated the effects of climate deviations and fire on the population dynamics of the lizard Tropidurus torquatus in the Cerrado of Brazil. We decomposed six climate variables into seasonal and non-seasonal components and assessed which factors, along with long- and short-term effects of fire, better accounte

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