Log in

Relevant bibliographies by topics / Predatory animals / Journal articles

To see the other types of publications on this topic, follow the link: Predatory animals.

Journal articles on the topic 'Predatory animals'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the top 50 journal articles for your research on the topic 'Predatory animals.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Browse journal articles on a wide variety of disciplines and organise your bibliography correctly.

1

El Balaa, Rayan, and Gabriel Blouin-Demers. "Does exposure to cues of fish predators fed different diets affect morphology and performance of Northern Leopard Frog (Lithobates pipiens) larvae?" Canadian Journal of Zoology 91, no. 4 (2013): 203–11. http://dx.doi.org/10.1139/cjz-2012-0232.

Full text

Abstract:

Phenotypic plasticity allows animals to change their morphological and life-history traits when exposed to predator cues, which modifies performance and can enhance survival but engender costs. Thus, the extent of plastic changes should vary in relation to the perceived risk of predation. We tested the hypothesis that plastic changes in morphology (and their effect on performance) and life history of developing Northern Leopard Frog (Lithobates pipiens (Schreber, 1782)) larvae vary when exposed to cues of fish predators fed different diets. During development, we exposed tadpoles to control cu

APA, Harvard, Vancouver, ISO, and other styles

2

Wood, Tyler C., and Paul A. Moore. "Big and bad: how relative predator size and dietary information influence rusty crayfish (Faxonius rusticus) behavior and resource-use decisions." Canadian Journal of Zoology 98, no. 1 (2020): 62–72. http://dx.doi.org/10.1139/cjz-2019-0089.

Full text

Abstract:

Prey animals use the information that they extract from predator cues to assess risk. Animals can obtain information about the relative size of predators and their dietary constituents from odor cues that predators deposit in the environment. However, it is currently unknown how prey animals respond when presented with two or more pieces of information about a predator. Rusty crayfish (Faxonius rusticus (Girard, 1852)) were exposed to odors from predatory largemouth bass (Micropterus salmoides (Lacepède, 1802)) that were fed four different diets and also varied in size relative to the crayfish

APA, Harvard, Vancouver, ISO, and other styles

3

Mirza, Reehan S., and Douglas P. Chivers. "Predator diet cues and the assessment of predation risk by juvenile brook charr: do diet cues enhance survival?" Canadian Journal of Zoology 81, no. 1 (2003): 126–32. http://dx.doi.org/10.1139/z02-225.

Full text

Abstract:

Recent studies have shown that predator diet cues provide important information that prey animals can use to assess predation risk. Predator-naïve prey animals may even learn to recognize unknown predators when they detect conspecific cues in the predator's diet. We examined the importance of predator diet cues in the responses of juvenile brook charr (Salvelinus fontinalis) to chemical cues of predators. In our first experiment, we showed that charr respond to chemical cues of adult yellow perch (Perca flavescens) that were fed a diet of either brook charr or rainbow trout (Oncorhynchus mykis

APA, Harvard, Vancouver, ISO, and other styles

4

Alves-Nunes, João Miguel, Adriano Fellone, Ivan Sazima, and Otávio Augusto Vuolo Marques. "Overcoming the phantoms of the past: Influence of predatory stimuli on the antipredator behavior of island pitvipers." PLOS ONE 18, no. 10 (2023): e0288826. http://dx.doi.org/10.1371/journal.pone.0288826.

Full text

Abstract:

The reduction of predation is a potentially important factor for the evolution of the traits of an island animal species. By relaxed selection, insular animals tend to lose their antipredator behaviors. A monophyletic group of pitvipers (genus Bothrops) in southeastern Brazil, which have high genetic affinity and dwell on the mainland and adjacent islands, provide an appropriate setting to study the evolution of antipredator behavior and how different predatory stimuli can influence this behavior. The mainland Bothrops jararaca has several terrestrial and aerial predators, whereas B. insularis

APA, Harvard, Vancouver, ISO, and other styles

5

Chikachev, Roman. "The index of the hearts squad Carnivora, as an indicator of predator ecology." E3S Web of Conferences 203 (2020): 01010. http://dx.doi.org/10.1051/e3sconf/202020301010.

Full text

Abstract:

The article presents the results of calculating the heart index of representatives of the order of carnivores, as one of the main morphophysiological indicators of predator activity. Based on the results of the study, the criteria for specific environmental characteristics of predators used for food production and determining the degree of load on the body were determined. To determine these indicators in some representatives of predatory animals obtained in the Amur region weight measurements of the hearts of sexually Mature individuals were performed: Martes zibellina, Meles leucurus, Canis

APA, Harvard, Vancouver, ISO, and other styles

6

Smolka, Jochen, Jochen Zeil, and Jan M. Hemmi. "Natural visual cues eliciting predator avoidance in fiddler crabs." Proceedings of the Royal Society B: Biological Sciences 278, no. 1724 (2011): 3584–92. http://dx.doi.org/10.1098/rspb.2010.2746.

Full text

Abstract:

To efficiently provide an animal with relevant information, the design of its visual system should reflect the distribution of natural signals and the animal's tasks. In many behavioural contexts, however, we know comparatively little about the moment-to-moment information-processing challenges animals face in their daily lives. In predator avoidance, for instance, we lack an accurate description of the natural signal stream and its value for risk assessment throughout the prey's defensive behaviour. We characterized the visual signals generated by real, potentially predatory events by video-r

APA, Harvard, Vancouver, ISO, and other styles

7

Ali Khazraji, Fadel Rahim, and Husham Naji Hameed. "Estimation of the numerical number of some insect predators on four tomato cultivars." Chemical and Environmental Science Archives 02, no. 04 (2022): 40–45. http://dx.doi.org/10.47587/cesa.2022.2402.

Full text

Abstract:

The results of the study on tomato cultivars (AMWAJ, NOUN, MAESTRO, BAYAN) in tomato fields located in the Dujail region of Salah al-Din governorate showed that insect predators were present in abundance in the tomato crop, as the average number of pests for the cultivar was in the two regions Dujail1 and Dujail2 (the average is the larvae of the predator), 7.46, 6.75, and 6.39, respectively. As for the (average of predatory animals), they were 21, 5.29, 4.56, and 3.23, respectively.

APA, Harvard, Vancouver, ISO, and other styles

8

Seebacher, Frank, Ashley Ward, and Amelia Reid. "Learning to hunt: the role of experience in predator success." Behaviour 147, no. 2 (2010): 223–33. http://dx.doi.org/10.1163/000579509x12512871386137.

Full text

Abstract:

AbstractAnimal behaviour is a composite of innate and learned components. During their lifetimes, animals typically gain experience and manifest learning, thereby augmenting or modifying genetically determined, innate behaviour patterns. Following a training period during which predatory fish (jade perch, Scortum barcoo) were allocated to treatments and given experience of either live prey (mosquitofish, Gambusia holbrooki), freshly killed prey, or cichlid pellets with equal nutritional value, we tested the response of the predators to the prey in an experimental arena. Across all treatments,

APA, Harvard, Vancouver, ISO, and other styles

9

Avinash, Agrawal, Yadav Rahul, Bhagora Abhilasha, Gupta Sahil, and Saxena Kanan. "Antipredator Behaviour Towards Human in Birds of Southern Rajasthan, India." International Journal of Zoological Investigations 08, no. 02 (2022): 357–61. http://dx.doi.org/10.33745/ijzi.2022.v08i02.044.

Full text

Abstract:

There are many anti-predatory escape strategies in animals. An established method for assessing escape behavior is the flight initiation distance (FID), which is the distance between prey and predator at which an animal flees. The ecological factors affecting avian FID have received much attention over the past few decades, and metaanalysis and comparative analysis have shown that FID is related to body mass and flock size and varies along rural to urban gradients. In our analyses, we determined the relation between FID with two important factor flock size and body mass of birds. Group or herd

APA, Harvard, Vancouver, ISO, and other styles

10

Mogali M., Santosh, Bhagyashri Shanbhag A., and Srinivas Saidapur K. "Antipredator Behavioural Responses of Tadpoles of the Indian Painted Frog Uperodon taprobanicus (Parker, 1934) (Microhylidae) to Kairomones from the Predatory Tadpoles of the Indian Bullfrog Hoplobatrachus tigerinus (Daudin, 1803) (Dicroglossidae)." Acta zoologica bulgarica 76, no. 4 (2024): 513. https://doi.org/10.71424/azb76.4.002787.

Full text

Abstract:

In aquatic systems, many prey animals, including anuran tadpoles, predominantly use chemical cues to assess predation threat. In such systems, an array of chemical cues (e.g., kairomones, alarm, dietary) affects the behavioural responses of the prey tadpoles. The study on the behavioural responses of tadpoles belongs to the family Microhylidae to predators are very less hence the outcome of this study will provide a novel information in the field of behavioural ecology of anuran tadpoles with reference to prey-predator interactions. The behavioural responses of tadpoles of Indian painted frog

APA, Harvard, Vancouver, ISO, and other styles

11

Jensen, Kim, David Mayntz, Søren Toft, et al. "Optimal foraging for specific nutrients in predatory beetles." Proceedings of the Royal Society B: Biological Sciences 279, no. 1736 (2012): 2212–18. http://dx.doi.org/10.1098/rspb.2011.2410.

Full text

Abstract:

Evolutionary theory predicts that animals should forage to maximize their fitness, which in predators is traditionally assumed equivalent to maximizing energy intake rather than balancing the intake of specific nutrients. We restricted female predatory ground beetles ( Anchomenus dorsalis ) to one of a range of diets varying in lipid and protein content, and showed that total egg production peaked at a target intake of both nutrients. Other beetles given a choice to feed from two diets differing only in protein and lipid composition selectively ingested nutrient combinations at this target int

APA, Harvard, Vancouver, ISO, and other styles

12

Breed, Greg A., Cory J. D. Matthews, Marianne Marcoux, et al. "Sustained disruption of narwhal habitat use and behavior in the presence of Arctic killer whales." Proceedings of the National Academy of Sciences 114, no. 10 (2017): 2628–33. http://dx.doi.org/10.1073/pnas.1611707114.

Full text

Abstract:

Although predators influence behavior of prey, analyses of electronic tracking data in marine environments rarely consider how predators affect the behavior of tracked animals. We collected an unprecedented dataset by synchronously tracking predator (killer whales,N= 1; representing a family group) and prey (narwhal,N= 7) via satellite telemetry in Admiralty Inlet, a large fjord in the Eastern Canadian Arctic. Analyzing the movement data with a switching-state space model and a series of mixed effects models, we show that the presence of killer whales strongly alters the behavior and distribut

APA, Harvard, Vancouver, ISO, and other styles

13

Torres, Jorge Braz, and David W. Boyd. "Zoophytophagy in predatory Hemiptera." Brazilian Archives of Biology and Technology 52, no. 5 (2009): 1199–208. http://dx.doi.org/10.1590/s1516-89132009000500018.

Full text

Abstract:

Predaceous hemipteran feeding on different trophic levels have raised questions about their ecology and role in biological control. Therefore, specific adaptations allowing them to simultaneously use plants and animals as sources for their nutritional requirements are important. Enzymatic variability in predatory hemipterans has been suggested as the basic adaptation for convergent or divergent to omnivory. Thus, the salivary enzymatic complexes of predatory hemipterans have been furnished a partial understanding of the mechanisms permitting switching between plant and animal food sources. In

APA, Harvard, Vancouver, ISO, and other styles

14

Mogali, Santosh M., Bhagyashri A. Shanbhag, and Srinivas K. Saidapur. "Behavioral responses of tadpoles of Clinotarsus curtipes (Anura: Ranidae) to odor cues of dragonfly larvae." Phyllomedusa: Journal of Herpetology 22, no. 1 (2023): 11–20. http://dx.doi.org/10.11606/issn.2316-9079.v22i1p11-20.

Full text

Abstract:

    In aquatic environments, many prey animals, including anuran larvae, predominantly use chemical cues to assess predation risk. In such systems, a variety of chemical cues (e.g., kairomones, alarm, dietary) affect the behavioral responses of the prey tadpoles. Many anuran tadpoles are able to discriminate different chemical cues and exhibit differential antipredator behavioral responses according to the perceived risk. The behavioral responses of tadpoles of Clinotarsus curtipes to predatory larvae of the dragonfly Pantala flavescens were studied in the laboratory. T

APA, Harvard, Vancouver, ISO, and other styles

15

Ball, Brendan, Adrian Linnane, Brian Munday, Ronan Browne, and John P. Mercer. "The effect of cover on in situ predation in early benthic phase European lobster Homarus gammarus." Journal of the Marine Biological Association of the United Kingdom 81, no. 4 (2001): 639–42. http://dx.doi.org/10.1017/s0025315401004301.

Full text

Abstract:

This study examined the role of predation in restricting early benthic phase (EBP) lobsters to shelter-providing substrata. In the field, the survival of animals provided with cover in the form of cobble and gravel substrata was significantly higher than unsheltered controls. Small benthic fish, particularly gobies Pomatoschistus minutus and rockling Ciliata mustela were the primary predators subtidally while crabs Carcinus maenus appeared to be the dominant intertidal predator. Predatory attack primarily occurred within minutes of the lobsters being deployed. The study reinforces the role pla

APA, Harvard, Vancouver, ISO, and other styles

16

Shakarbоev, Berdibaev, and Golovanov. "SEASONAL DYNAMICS OF HELMINTHOFAUNA OF WILD PREDATORY MAMMALS IN THE CONDITIONS OF KARAKALPAKSTAN." THEORY AND PRACTICE OF PARASITIC DISEASE CONTROL, no. 22 (May 19, 2021): 568–74. http://dx.doi.org/10.31016/978-5-6046256-1-3.2021.22.568-574.

Full text

Abstract:

It has been studied the seasonal dynamics of helminthiasis of predatory animals in the territory of Karakalpakstan. The material was collected in 2017–2020 on the territory of Karakalpakstan. 273 predatory animals and dogs were subjected to a complete helminthological study by the method of K.I. Skyarbin (1928). In addition, 165 fecal samples were examined by helminthicaprological methods and using the compression method. As a result of the studies conducted in the biocenoses of Karakalpakstan, it was found that 53 species of helminthes parasitize in the body of wild predatory mammals, which b

APA, Harvard, Vancouver, ISO, and other styles

17

Corcoran, Aaron J., Ryan D. Wagner, William E. Conner, and John Morgan Ratcliffe. "Optimal Predator Risk Assessment by the Sonar-Jamming Arctiine Moth Bertholdia trigona." PLoS ONE 8, no. 5 (2013): e63609. https://doi.org/10.5281/zenodo.13484569.

Full text

Abstract:

(Uploaded by Plazi for the Bat Literature Project) Nearly all animals face a tradeoff between seeking food and mates and avoiding predation. Optimal escape theory holds that an animal confronted with a predator should only flee when benefits of flight (increased survival) outweigh the costs (energetic costs, lost foraging time, etc.). We propose a model for prey risk assessment based on the predator's stage of attack. Risk level should increase rapidly from when the predator detects the prey to when it commits to the attack. We tested this hypothesis using a predator – the echolocating bat – w

APA, Harvard, Vancouver, ISO, and other styles

18

Corcoran, Aaron J., Ryan D. Wagner, William E. Conner, and John Morgan Ratcliffe. "Optimal Predator Risk Assessment by the Sonar-Jamming Arctiine Moth Bertholdia trigona." PLoS ONE 8, no. 5 (2013): e63609. https://doi.org/10.5281/zenodo.13484569.

Full text

Abstract:

(Uploaded by Plazi for the Bat Literature Project) Nearly all animals face a tradeoff between seeking food and mates and avoiding predation. Optimal escape theory holds that an animal confronted with a predator should only flee when benefits of flight (increased survival) outweigh the costs (energetic costs, lost foraging time, etc.). We propose a model for prey risk assessment based on the predator's stage of attack. Risk level should increase rapidly from when the predator detects the prey to when it commits to the attack. We tested this hypothesis using a predator – the echolocating bat – w

APA, Harvard, Vancouver, ISO, and other styles

19

Corcoran, Aaron J., Ryan D. Wagner, William E. Conner, and John Morgan Ratcliffe. "Optimal Predator Risk Assessment by the Sonar-Jamming Arctiine Moth Bertholdia trigona." PLoS ONE 8, no. 5 (2013): e63609. https://doi.org/10.5281/zenodo.13484569.

Full text

Abstract:

(Uploaded by Plazi for the Bat Literature Project) Nearly all animals face a tradeoff between seeking food and mates and avoiding predation. Optimal escape theory holds that an animal confronted with a predator should only flee when benefits of flight (increased survival) outweigh the costs (energetic costs, lost foraging time, etc.). We propose a model for prey risk assessment based on the predator's stage of attack. Risk level should increase rapidly from when the predator detects the prey to when it commits to the attack. We tested this hypothesis using a predator – the echolocating bat – w

APA, Harvard, Vancouver, ISO, and other styles

20

Corcoran, Aaron J., Ryan D. Wagner, William E. Conner, and John Morgan Ratcliffe. "Optimal Predator Risk Assessment by the Sonar-Jamming Arctiine Moth Bertholdia trigona." PLoS ONE 8, no. 5 (2013): e63609. https://doi.org/10.5281/zenodo.13484569.

Full text

Abstract:

(Uploaded by Plazi for the Bat Literature Project) Nearly all animals face a tradeoff between seeking food and mates and avoiding predation. Optimal escape theory holds that an animal confronted with a predator should only flee when benefits of flight (increased survival) outweigh the costs (energetic costs, lost foraging time, etc.). We propose a model for prey risk assessment based on the predator's stage of attack. Risk level should increase rapidly from when the predator detects the prey to when it commits to the attack. We tested this hypothesis using a predator – the echolocating bat – w

APA, Harvard, Vancouver, ISO, and other styles

21

Priyadarshana, Tharaka Sudesh. "Do predatory adult odonates estimate their adult prey odonates’ body size and dispersal ability to proceed with a successful attack?" Journal of Threatened Taxa 13, no. 7 (2021): 18949–52. http://dx.doi.org/10.11609/jott.7198.13.7.18949-18952.

Full text

Abstract:

Predator-prey encounters are one of the most challenging behaviors that animals engage in and play a key role in structuring trophic linkages within food webs. Empirical studies suggest that predators (except pathogens, parasites, and parasitoids) tend to be larger in body size and have better dispersal ability than their prey items; however, when predators prey upon members of the same taxonomic group, it is unclear whether such relationships exist between predators and their prey items since both groups may have similar body sizes and dispersal abilities. Adult odonates can be used to test t

APA, Harvard, Vancouver, ISO, and other styles

22

Sorisi, Angle Maria Hasthee, Christy Diana Mambo, Maya Esther Wullur Moningka, and John Andrew Marlatu Sapulete. "Spider (Ordo Araneae) as a Predator Arthropoda." Scholars Journal of Agriculture and Veterinary Sciences 10, no. 07 (2023): 67–71. http://dx.doi.org/10.36347/sjavs.2023.v10i07.001.

Full text

Abstract:

Spiders are animals that belong to the class Arthropoda phylum Arachnida. Spiders are spread in almost all parts of the world. Spiders can be classified as soil arthropods which are soil-dwelling organisms. The role of arthropods in agro-ecosystems is divided into four, namely as herbivores, decomposers, predators and pollinators. Spiders act as predators. Predatory arthropods are arthropods that eat part or all of their prey's body directly.

APA, Harvard, Vancouver, ISO, and other styles

23

Devi, Mia Prastika, Bambang Tri Rahardjo, and Hagus Tarno. "Association between Predatory Arthropods and Weeds on Sugarcane Plants." Research Journal of Life Science 9, no. 3 (2022): 121–30. http://dx.doi.org/10.21776/ub.rjls.2022.009.03.4.

Full text

Abstract:

While a large number of farmers in the tropics consider weeds to be just a nuisance, some weeds can potentially have benefits for cultivated crops. Weeds around cultivated plants can act as a biocide, soil improvement, and a food source for humans and animals, as well as a habitat for some insects. Based on the regression analysist, weed density has a relationship to the diversity of predatory arthropod species (R2= 0.026; P<0.001) and the abundance of individual predatory arthropods (R2= 0.010; P<0.001). Beneficial weeds around sugarcane plantations create mutually beneficial interactio

APA, Harvard, Vancouver, ISO, and other styles

24

JANICKA, WIKTORIA, and IZABELA WILK. "Practical importance of anti-predatory behavior research in keeping farm animals." Medycyna Weterynaryjna 78, no. 03 (2022): 6624–2022. http://dx.doi.org/10.21521/mw.6624.

Full text

Abstract:

The care and livestock management requires knowledge of the behavioral reactivity of the kept species. Domestic ungulates have evolved as prey, so their survival in the wild depended on early detection of a potential threat and then taking a quick response. There are numerous studies into antipredatory behavior concerning a wide range of animal taxa. They predominantly focus on conflict between innate and acquired predator recognition and the influence of various factors on the retain or gradual loss of defense mechanisms against predators. The authors of multiple studies suggest the practical

APA, Harvard, Vancouver, ISO, and other styles

25

Li, Bowen, Jonathan R. Silva, Xiancui Lu, et al. "Molecular game theory for a toxin-dominant food chain model." National Science Review 6, no. 6 (2019): 1191–200. http://dx.doi.org/10.1093/nsr/nwz097.

Full text

Abstract:

Abstract Animal toxins that are used to subdue prey and deter predators act as the key drivers in natural food chains and ecosystems. However, the predators of venomous animals may exploit feeding adaptation strategies to overcome toxins their prey produce. Much remains unknown about the genetic and molecular game process in the toxin-dominant food chain model. Here, we show an evolutionary strategy in different trophic levels of scorpion-eating amphibians, scorpions and insects, representing each predation relationship in habitats dominated by the paralytic toxins of scorpions. For scorpions

APA, Harvard, Vancouver, ISO, and other styles

26

Bateman, Philip W., and Patricia A. Fleming. "The influence of web silk decorations on fleeing behaviour of Florida orb weaver spiders, Argiope florida (Aranaeidae)." Canadian Journal of Zoology 91, no. 7 (2013): 468–72. http://dx.doi.org/10.1139/cjz-2012-0312.

Full text

Abstract:

Spider web silk decorations may (i) act to attract prey, (ii) be decoys for predators, and (iii) make the web visible to prevent larger animals from destroying them. To disentangle the last two hypotheses, we examined the fleeing response and flight initiation distance (FID) of the Florida orb weaver spider (Argiope florida Chamberlin and Ivie, 1944). Spiders were approached in one of two manners: (1) a “predatory” one mimicking a bird and (2) a “looming” approach mimicking the approach of a large animal. We predicted that if silk decorations had an antipredator function, then the extent of si

APA, Harvard, Vancouver, ISO, and other styles

27

Zamora-Roda, Álvaro A., Javier Ernesto Cortés-Suárez, and Christian G. Herrera-Martínez. "First predatory record on Caluromys derbianus by Boa imperator in Costa Rica." Revista Mexicana de Mastozoología (Nueva Epoca) 12, no. 1 (2022): 69–72. http://dx.doi.org/10.22201/ie.20074484e.2022.12.1.353.

Full text

Abstract:

Documented predation events regarding Caluromys derbianus as prey are scarce in Central America, only a few wildlife and domestic animals have been reported as predators of this mammal. Herein, we document the first predatory event on this marsupial species by Central American Boa (Boa imperator) in Costa Rica. This record contributes to the ecological knowledge and natural history of this medium-sized mammal.

APA, Harvard, Vancouver, ISO, and other styles

28

Fernandes, Fernanda Mara, Jackson Victor Araújo, Fabio Ribeiro Braga, et al. "In vitro biological control of infective larvae of Ancylostoma ceylanicum." Revista Brasileira de Parasitologia Veterinária 21, no. 3 (2012): 283–86. http://dx.doi.org/10.1590/s1984-29612012000300018.

Full text

Abstract:

The aim of this study was to evaluate the predatory activity of the fungus Duddingtonia flagrans (AC001) on infective larvae of Ancylostoma ceylanicum after gastrointestinal transit in hamsters. Twenty animals were used in the experiment, divided into two groups: a treated group (10 animals) and a control group (10 animals). In the group treated with D. flagrans, each animal received mycelium from the AC001 isolate, at an oral dose of 5 mg/25 g of live weight. To evaluate the predatory activity of the fungus, fecal samples were collected from the animals in both groups, at the times of 6, 8, 1

APA, Harvard, Vancouver, ISO, and other styles

29

Santos, Robson G., Hudson Tercio Pinheiro, Agnaldo Silva Martins, et al. "The anti-predator role of within-nest emergence synchrony in sea turtle hatchlings." Proceedings of the Royal Society B: Biological Sciences 283, no. 1834 (2016): 20160697. http://dx.doi.org/10.1098/rspb.2016.0697.

Full text

Abstract:

Group formation is a common behaviour among prey species. In egg-laying animals, despite the various factors that promote intra-clutch variation leading to asynchronous hatching and emergence from nests, synchronous hatching and emergence occurs in many taxa. This synchrony may be adaptive by reducing predation risk, but few data are available in any natural system, even for iconic examples of the anti-predator function of group formation. Here, we show for the first time that increased group size (number of hatchlings emerging together from a nest) reduces green turtle ( Chelonia mydas ) hatc

APA, Harvard, Vancouver, ISO, and other styles

30

Zamora-Camacho, Francisco Javier. "Keep the ball rolling: sexual differences in conglobation behavior of a terrestrial isopod under different degrees of perceived predation pressure." PeerJ 11 (December 19, 2023): e16696. http://dx.doi.org/10.7717/peerj.16696.

Full text

Abstract:

Background Antipredator behaviors are theoretically subjected to a balance by which their display should be minimized when their benefits do not outweigh their costs. Such costs may be not only energetic, but also entail a reduction in the time available for other fitness-enhancing behaviors. However, these behaviors are only beneficial under predation risk. Therefore, antipredator behaviors are predicted to be maximized under strong predation risk. Moreover, predation pressure can differ among individuals according to traits such as sex or body size, if these traits increase vulnerability. An

APA, Harvard, Vancouver, ISO, and other styles

31

Roy, Isabelle, and Landis Hare. "Relative importance of water and food as cadmium sources to the predatory insect Sialis velata (Megaloptera)." Canadian Journal of Fisheries and Aquatic Sciences 56, no. 7 (1999): 1143–49. http://dx.doi.org/10.1139/f99-036.

Full text

Abstract:

A key aspect of modeling contaminant uptake by animals is knowledge of the route taken by the contaminant to enter the animal. To determine the relative importance of food and water as Cd sources for benthic insects, we measured Cd accumulation by the predatory alderfly Sialis velata (Megaloptera) from either water alone or from chironomid prey (Cryptochironomus sp.). We determined that Cd uptake from prey was far more important than that from water. Chironomid prey fed to S. velata also appeared to take up the bulk of their Cd from food (meiobenthic organisms). The efficiency with which Cd wa

APA, Harvard, Vancouver, ISO, and other styles

32

Pilipko, Elena Nikolaevna. "Assessment of chemical parameters and group composition of humus of excretory litter of different groups of animals." Samara Journal of Science 13, no. 2 (2024): 67–72. http://dx.doi.org/10.55355/snv2024132107.

Full text

Abstract:

The excrements of various animal groups provide a biological cycle of substances in ecosystems. As a result of the decomposition of undigested residues of organic mass of plant and animal origin, an acceleration of the release (leaching) of nutrients for plants has been revealed, which are again involved in the biological cycle and used by plants to create a new organic mass. The article considers some properties and indicators of animal excrement, conditionally divided by trophic characteristics into phytophagous (moose, white hare), omnivorous (bear, wild boar) and predators (fox, wolf). The

APA, Harvard, Vancouver, ISO, and other styles

33

Smart, Ioan E., Innes C. Cuthill, and Nicholas E. Scott-Samuel. "In the corner of the eye: camouflaging motion in the peripheral visual field." Proceedings of the Royal Society B: Biological Sciences 287, no. 1918 (2020): 20192537. http://dx.doi.org/10.1098/rspb.2019.2537.

Full text

Abstract:

Most animals need to move, and motion will generally break camouflage. In many instances, most of the visual field of a predator does not fall within a high-resolution area of the retina and so, when an undetected prey moves, that motion will often be in peripheral vision. We investigate how this can be exploited by prey, through different patterns of movement, to reduce the accuracy with which the predator can locate a cryptic prey item when it subsequently orients towards a target. The same logic applies for a prey species trying to localize a predatory threat. Using human participants as su

APA, Harvard, Vancouver, ISO, and other styles

34

Li, Qiuxian, Qian Zhang, Qingsong Jiang, et al. "Daily Activity Rhythms of Animals in the Southwest Mountains, China: Influences of Interspecific Relationships and Seasons." Animals 14, no. 19 (2024): 2842. http://dx.doi.org/10.3390/ani14192842.

Full text

Abstract:

Temporal and spatial factors regulate the interactions between apex predators, mesocarnivores, and herbivores. Prey adjust their activity patterns and spatial utilization based on predator activities; in turn, predators also adapt to the activities of their prey. To elucidate the factors influencing the daily activity rhythms of animals, 115 camera traps were established from September 2019 to June 2023 to assess the influences of interspecific relationships and seasons on the daily activity rhythms of animals in the southwest mountains of China. The species captured by the cameras included si

APA, Harvard, Vancouver, ISO, and other styles

35

Gonzálvez, Francisco G., and Miguel A. Rodríguez-Gironés. "Seeing is believing: information content and behavioural response to visual and chemical cues." Proceedings of the Royal Society B: Biological Sciences 280, no. 1763 (2013): 20130886. http://dx.doi.org/10.1098/rspb.2013.0886.

Full text

Abstract:

Predator avoidance and foraging often pose conflicting demands. Animals can decrease mortality risk searching for predators, but searching decreases foraging time and hence intake. We used this principle to investigate how prey should use information to detect, assess and respond to predation risk from an optimal foraging perspective. A mathematical model showed that solitary bees should increase flower examination time in response to predator cues and that the rate of false alarms should be negatively correlated with the relative value of the flower explored. The predatory ant, Oecophylla sma

APA, Harvard, Vancouver, ISO, and other styles

36

Li, Ya. "Study of the interactive effect of prey toxin and optimal foraging strategy on a predator–prey model." International Journal of Biomathematics 11, no. 04 (2018): 1850050. http://dx.doi.org/10.1142/s179352451850050x.

Full text

Abstract:

The optimal foraging theory predicts that predators choose prey with more net rate of energy intake and less energy costs if there are multiple food sources available. Toxins are found in many species in nature. Those toxins may be produced by prey as self-protection from predatory animals, or come from other sources such as pesticide residue. Therefore, it requires a balance between energy intake and toxicity damage. In order to study the interactive effect of prey toxin and optimal foraging strategy, we construct a predator–prey model with toxin-induced functional response and optimal foragi

APA, Harvard, Vancouver, ISO, and other styles

37

Kasalo, Niko, Mirjana Domazet-Lošo, and Tomislav Domazet-Lošo. "Convergence in Amino Acid Outsourcing Between Animals and Predatory Bacteria." International Journal of Molecular Sciences 26, no. 7 (2025): 3024. https://doi.org/10.3390/ijms26073024.

Full text

Abstract:

All animals have outsourced about half of the 20 proteinogenic amino acids (AAs). We recently demonstrated that the loss of biosynthetic pathways for these outsourced AAs is driven by energy-saving selection. Paradoxically, these metabolic simplifications enabled animals to use costly AAs more frequently in their proteomes, allowing them to explore sequence space more freely. Based on these findings, we proposed that environmental AA availability and cellular respiration mode are the two primary factors determining the evolution of AA auxotrophies in animals. Remarkably, our recent analysis sh

APA, Harvard, Vancouver, ISO, and other styles

38

Sugiura, Shinji. "Anti-predator defences of a bombardier beetle: is bombing essential for successful escape from frogs?" PeerJ 6 (November 30, 2018): e5942. http://dx.doi.org/10.7717/peerj.5942.

Full text

Abstract:

Some animals, such as the bombardier beetles (Coleoptera: Carabidae: Brachinini), have evolved chemical defences against predators. When attacked, bombardier beetles can discharge noxious chemicals at temperatures of approximately 100 °C from the tip of their abdomens, “bombing” their attackers. Although many studies to date have investigated how bombardier beetles discharge defensive chemicals against predators, relatively little research has examined how predators modify their attacks on bombardier beetles to avoid being bombed. In this study, I observed the black-spotted pond frog Pelophyla

APA, Harvard, Vancouver, ISO, and other styles

39

Šerić, Jelaska Lucija, Barbara Anđelić, Mišel Jelić, and Tomislav Kos. "MEDITERATRI project - assessing the trophic ecology of predatory arthropods in Mediterranean agriculture via DNA metabarcoding diet analyses." ARPHA Conference Abstracts 2 (August 7, 2019): e38865. https://doi.org/10.3897/aca.2.e38865.

Full text

Abstract:

A type of management and the use of pesticides in arable land may negatively affect a range of soil biota and thus their food webs important for ecosystem functioning. By analysing trophic interactions we could reveal the extent of potential benefits that certain organisms can provide in biocontrol and maintaining healthy ecosystems. To evaluate the role of predatory arthropods within olive orchards and vineyards under Integrated Pest Management (IPM) and Ecological Pest Management (EPM) we collected carabid beetles together with other dominant predatory arthropods in the field (e.g. ladybugs,

APA, Harvard, Vancouver, ISO, and other styles

40

Dukas, Reuven. "Bumblebee Preadators Reduce Pollinator Density and Plant Fitness." UW National Parks Service Research Station Annual Reports 28 (January 1, 2004): 94–97. http://dx.doi.org/10.13001/uwnpsrc.2004.3583.

Full text

Abstract:

Research in pollination biology has focused on the interactions between animals and the flowers they visit for food reward. However, other selective agents, including predators, seed feeders and herbivores, may affect pollination systems. Because flowers are predictable food sources for a variety of species, flowers are also reliable sites at which predators can locate flower-visiting animals. Prominent among pollinators' predators are beewolves (Philanthus spp), common sphecid wasps (Sphecidae) that prey almost exclusively on bees. My field work over three years indicates, first, that an area

APA, Harvard, Vancouver, ISO, and other styles

41

Харченко, Nikolay Kharchenko, Ковалев, and Vadim Kovalev. "Formation of biocenotic relations in the process of re-acclimatization of the steppe marmot in the south of the Belgorod region." Forestry Engineering Journal 4, no. 4 (2015): 76–82. http://dx.doi.org/10.12737/8443.

Full text

Abstract:

Studies have shown that the formation of biocenotic relations of form in established settlements are large-ly coordinated by anthropogenic influence. Intensive poaching has attracted a number of predators to set-tlements (wolves, foxes), responsive to the carrion and the remnants of caught marmots. Destruction of burrows promotes other animals living in them, including predatory ones. Individual families steppe marmot in the process of expansion of colonies, expand their feeding grounds due to the surrounding agricultural fields, arranging them food and shelter holes.

APA, Harvard, Vancouver, ISO, and other styles

42

Andreyanov, O. N. "Examining Echinococcus multilocularis infection in some Midland Russia predatory animal species." Russian Journal of Infection and Immunity 10, no. 1 (2020): 193–96. http://dx.doi.org/10.15789/2220-7619-eem-1182.

Full text

Abstract:

Commercially exploited predator animal species are considered as a final host for multiple biohelminths posing a threat both to human and other animals. Fight against pathogens of dangerous helminthozoonoses should be based on combining efforts of scientific and practical centers, various state departments, executive authorities, law enforcement authorities as well as country residents. Examining parasitic fauna in commercially exploited predator animals is of special priority in the Midland Russia with high population density, wherein people have been engaged in hunting closely contacting bot

APA, Harvard, Vancouver, ISO, and other styles

43

de Lima, Miguel Antonio Xavier, Marcus Vinicius C. Baldo, and Newton Sabino Canteras. "Revealing a Cortical Circuit Responsive to Predatory Threats and Mediating Contextual Fear Memory." Cerebral Cortex 29, no. 7 (2018): 3074–90. http://dx.doi.org/10.1093/cercor/bhy173.

Full text

Abstract:

Abstract The ventral part of the anteromedial thalamic nucleus (AMv) receives substantial inputs from hypothalamic sites that are highly responsive to a live predator or its odor trace and represents an important thalamic hub for conveying predatory threat information to the cerebral cortex. In the present study, we begin by examining the cortico-amygdalar-hippocampal projections of the main AMv cortical targets, namely, the caudal prelimbic, rostral anterior cingulate, and medial visual areas, as well as the rostral part of the ventral retrosplenial area, one of the main targets of the anteri

APA, Harvard, Vancouver, ISO, and other styles

44

Soley, Fernando G. "Fine-scale analysis of an assassin bug's behaviour: predatory strategies to bypass the sensory systems of prey." Royal Society Open Science 3, no. 10 (2016): 160573. http://dx.doi.org/10.1098/rsos.160573.

Full text

Abstract:

Some predators sidestep environments that render them conspicuous to the sensory systems of prey. However, these challenging environments are unavoidable for certain predators. Stenolemus giraffa is an assassin bug that feeds on web-building spiders; the web is the environment in which this predator finds its prey, but it also forms part of its preys' sophisticated sensory apparatus, blurring the distinction between environment and sensory systems. Stenolemus giraffa needs to break threads in the web that obstruct its path to the spiders, and such vibrations can alert the spiders. Using laser

APA, Harvard, Vancouver, ISO, and other styles

45

Bertuzzi, Tatiane, David Santos de Freitas, Luiz Liberato Costa Corrêa, et al. "DOES APOSEMATIC COLORATION REDUCE PREDATION RISK IN SNAKES? A SHORT PERIOD EXPERIMENT USING PLASTICINE SNAKE MODELS." Revista de Ciências Ambientais 14, no. 2 (2020): 35. http://dx.doi.org/10.18316/rca.v14i2.6137.

Full text

Abstract:

Aposematism in an anti-predation mechanism that occurs when animals exhibit conspicuous signals, which are often of a contrasting color patterns, to alert potential predators of their unpalatability or toxicity. This study aims to test (in a short period) the effectiveness of aposematic coloration by comparing the predatory attack upon snakes models with and without an alert coloration on the body. To simulate snakes, we made 80 greenish plasticine snake models. Half of the models had a red strip on the dorsal part of the body, imitating an aposematic coloration. The other half of the models h

APA, Harvard, Vancouver, ISO, and other styles

46

New, John G., and Peter Y. Kang. "Multimodal sensory integration in the strike–feeding behaviour of predatory fishes." Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences 355, no. 1401 (2000): 1321–24. http://dx.doi.org/10.1098/rstb.2000.0692.

Full text

Abstract:

The search for useful model systems for the study of sensory processing in vertebrate nervous systems has resulted in many neuroethological studies investigating the roles played by a single sensory modality in a given behaviour. However, behaviours relying solely upon information from one sensory modality are relatively rare. Animals behaving in a complex, three–dimensional environment receive a large amount of information from external and internal receptor arrays. Clearly, the integration of sensory afference arising from different modalities into a coherent ‘gestalt’ of the world is essent

APA, Harvard, Vancouver, ISO, and other styles

47

Burghardt, Gordon M., Julia D. Albright, and Karen M. Davis. "Motivation, development and object play: comparative perspectives with lessons from dogs." Behaviour 153, no. 6-7 (2016): 767–93. http://dx.doi.org/10.1163/1568539x-00003378.

Full text

Abstract:

Object play occurs in diverse animals in addition to birds and mammals. Although many carnivores engage in object play in a predatory context, many non-predators do so also. Conjectures over the years on the motivation to play are reviewed dealing with intrinsic, developmental, and stimulus factors. We then report on quantitative studies of the play of puppies from 6 litters (3 breeds) when given 5 different toys with different sensory and functional properties at half week intervals from 3 to 7 weeks of age. The propensity to engage with objects begins early, play complexity increases rapidly

APA, Harvard, Vancouver, ISO, and other styles

48

Mogali, Santosh M., Srinivas K. Saidapur, and Bhagyashri A. Shanbhag. "Behavioral responses of tadpoles of Duttaphrynus melanostictus (Anura: Bufonidae) to cues of starved and fed dragonfly larvae." Phyllomedusa: Journal of Herpetology 19, no. 1 (2020): 93–98. http://dx.doi.org/10.11606/issn.2316-9079.v19i1p93-98.

Full text

Abstract:

Behavioral responses of tadpoles of Duttaphrynus melanostictus (Anura: Bufonidae) to cues of starved and fed dragonfly larvae. Tadpoles of Duttaphrynus melanostictus use chemoreception to detect kairomonal cues and excretory metabolites from predatory anuran tadpoles (Hoplobatrachus tigerinus) that consume them. We describe here the behavioral responses of tadpoles of D. melanostictus to predatory dragonfly larvae (Pantala flavescens). The predator’s kairomones (water conditioned by the starved predator) or its diet-derived metabolites released in excreta of predator after consumption of consp

APA, Harvard, Vancouver, ISO, and other styles

49

Nishiumi, Nozomi, and Akira Mori. "A game of patience between predator and prey: waiting for opponent’s action determines successful capture or escape." Canadian Journal of Zoology 98, no. 6 (2020): 351–57. http://dx.doi.org/10.1139/cjz-2019-0164.

Full text

Abstract:

When predator and prey animals face each other, preemptive actions by both sides are considered to mediate successful capture or escape. However, in spite of the general presumption, some animals, such as predatory snakes and their frog prey, occasionally remain motionless or move slowly for a while before striking or escaping, respectively. To clarify the possible advantages of this behaviour, we examined interactions between Japanese Four-lined Ratsnakes (Elaphe quadrivirgata (H. Boie, 1826)) and Black-spotted Pond Frogs (Pelophylax nigromaculatus (Hallowell, 1861)), focusing especially on k

APA, Harvard, Vancouver, ISO, and other styles

50

Wardill, Trevor J., Katie Knowles, Laura Barlow, et al. "The Killer Fly Hunger Games: Target Size and Speed Predict Decision to Pursuit." Brain, Behavior and Evolution 86, no. 1 (2015): 28–37. http://dx.doi.org/10.1159/000435944.

Full text

Abstract:

Predatory animals have evolved to optimally detect their prey using exquisite sensory systems such as vision, olfaction and hearing. It may not be so surprising that vertebrates, with large central nervous systems, excel at predatory behaviors. More striking is the fact that many tiny insects, with their miniscule brains and scaled down nerve cords, are also ferocious, highly successful predators. For predation, it is important to determine whether a prey is suitable before initiating pursuit. This is paramount since pursuing a prey that is too large to capture, subdue or dispatch will generat

APA, Harvard, Vancouver, ISO, and other styles

We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!