Academic literature on the topic 'Warning coloration (Biology)'

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Journal articles on the topic "Warning coloration (Biology)"

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Stevens, Martin, and Graeme D. Ruxton. "Linking the evolution and form of warning coloration in nature." Proceedings of the Royal Society B: Biological Sciences 279, no. 1728 (2011): 417–26. http://dx.doi.org/10.1098/rspb.2011.1932.

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Many animals are toxic or unpalatable and signal this to predators with warning signals (aposematism). Aposematic appearance has long been a classical system to study predator–prey interactions, communication and signalling, and animal behaviour and learning. The area has received considerable empirical and theoretical investigation. However, most research has centred on understanding the initial evolution of aposematism, despite the fact that these studies often tell us little about the form and diversity of real warning signals in nature. In contrast, less attention has been given to the mec
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Briolat, Emmanuelle S., Emily R. Burdfield-Steel, Sarah C. Paul, et al. "Diversity in warning coloration: selective paradox or the norm?" Biological Reviews 94, no. 2 (2018): 388–414. http://dx.doi.org/10.1111/brv.12460.

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Stevens, Martin. "Predator perception and the interrelation between different forms of protective coloration." Proceedings of the Royal Society B: Biological Sciences 274, no. 1617 (2007): 1457–64. http://dx.doi.org/10.1098/rspb.2007.0220.

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Animals possess a range of defensive markings to reduce the risk of predation, including warning colours, camouflage, eyespots and mimicry. These different strategies are frequently considered independently, and with little regard towards predator vision, even though they may be linked in various ways and can be fully understood only in terms of predator perception. For example, camouflage and warning coloration need not be mutually exclusive, and may frequently exploit similar features of visual perception. This paper outlines how different forms of protective markings can be understood from
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LEV-YADUN, SIMCHA. "Aposematic (warning) Coloration Associated with Thorns in Higher Plants." Journal of Theoretical Biology 210, no. 3 (2001): 385–88. http://dx.doi.org/10.1006/jtbi.2001.2315.

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Nokelainen, Ossi, Robert H. Hegna, Joanneke H. Reudler, Carita Lindstedt, and Johanna Mappes. "Trade-off between warning signal efficacy and mating success in the wood tiger moth." Proceedings of the Royal Society B: Biological Sciences 279, no. 1727 (2011): 257–65. http://dx.doi.org/10.1098/rspb.2011.0880.

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The coloration of species can have multiple functions, such as predator avoidance and sexual signalling, that directly affect fitness. As selection should favour traits that positively affect fitness, the genes underlying the trait should reach fixation, thereby preventing the evolution of polymorphisms. This is particularly true for aposematic species that rely on coloration as a warning signal to advertise their unprofitability to predators. Nonetheless, there are numerous examples of aposematic species showing remarkable colour polymorphisms. We examined whether colour polymorphism in the w
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Gamberale-Stille, Gabriella, Baharan Kazemi, Alexandra Balogh, and Olof Leimar. "Biased generalization of salient traits drives the evolution of warning signals." Proceedings of the Royal Society B: Biological Sciences 285, no. 1877 (2018): 20180283. http://dx.doi.org/10.1098/rspb.2018.0283.

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The importance of receiver biases in shaping the evolution of many signalling systems is widely acknowledged. Here, we show that receiver bias can explain which traits evolve to become warning signals. For warning coloration, a generalization bias for a signalling trait can result from predators learning to discriminate unprofitable from profitable prey. However, because the colour patterns of prey are complex traits with multiple components, it is crucial to understand which of the many aspects of prey appearance evolve into signals. We provide experimental evidence that the more salient diff
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Lindstedt, Carita, Liam Murphy, and Johanna Mappes. "Antipredator strategies of pupae: how to avoid predation in an immobile life stage?" Philosophical Transactions of the Royal Society B: Biological Sciences 374, no. 1783 (2019): 20190069. http://dx.doi.org/10.1098/rstb.2019.0069.

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Antipredator strategies of the pupal stage in insects have received little attention in comparison to larval or adult stages. This is despite the fact that predation risk can be high during the pupal stage, making it a critical stage for subsequent fitness. The immobile pupae are not, however, defenceless; a wide range of antipredator strategies have evolved against invertebrate and vertebrate predators. The most common strategy seems to be ‘avoiding encounters with predators' by actively hiding in vegetation and soil or via cryptic coloration and masquerade. Pupae have also evolved behavioura
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Gohli, Jostein, and Göran Högstedt. "Explaining the Evolution of Warning Coloration: Secreted Secondary Defence Chemicals May Facilitate the Evolution of Visual Aposematic Signals." PLoS ONE 4, no. 6 (2009): e5779. http://dx.doi.org/10.1371/journal.pone.0005779.

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Medina, Iliana, Regina Vega-Trejo, Thomas Wallenius, et al. "No link between nymph and adult coloration in shield bugs: weak selection by predators." Proceedings of the Royal Society B: Biological Sciences 287, no. 1929 (2020): 20201011. http://dx.doi.org/10.1098/rspb.2020.1011.

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Many organisms use different antipredator strategies throughout their life, but little is known about the reasons or implications of such changes. For years, it has been suggested that selection by predators should favour uniformity in local warning signals. If this is the case, we would expect high resemblance in colour across life stages in aposematic animals where young and adults share similar morphology and habitat. In this study, we used shield bugs (Hemiptera: Pentatomoidea) to test whether colour and colour diversity evolve similarly at different life stages. Since many of these bugs a
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Halpin, Christina G., John Skelhorn, and Candy Rowe. "Increased predation of nutrient-enriched aposematic prey." Proceedings of the Royal Society B: Biological Sciences 281, no. 1781 (2014): 20133255. http://dx.doi.org/10.1098/rspb.2013.3255.

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Avian predators readily learn to associate the warning coloration of aposematic prey with the toxic effects of ingesting them, but they do not necessarily exclude aposematic prey from their diets. By eating aposematic prey ‘educated’ predators are thought to be trading-off the benefits of gaining nutrients with the costs of eating toxins. However, while we know that the toxin content of aposematic prey affects the foraging decisions made by avian predators, the extent to which the nutritional content of toxic prey affects predators' decisions to eat them remains to be tested. Here, we show tha
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Dissertations / Theses on the topic "Warning coloration (Biology)"

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Fay, Caitlin. "Aposematic Variation and the Evolution of Warning Coloration in Mammals." Thesis, California State University, Long Beach, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10257635.

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<p> Aposematic prey animals use conspicuous, high contrast color patterns to warn potential predators that they possess a defense mechanism. Avian predators show an innate phobia of bold, contrasting color patterns, and can readily learn to avoid a prey item displaying bold warning coloration. Signal uniformity is important to promote predator learning and memory retention; however, there is documented variation in the aposematic pattern of many species, including the striped skunk (<i>Mephitis mephitis</i>). Most of the literature on aposematism refers to studies using avian predators and ins
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Torok, Alexandra. "Halting attack : startle displays and flash coloration as anti-predator defences." Thesis, University of Cambridge, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.709452.

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Massuda, Kamila Ferreira 1979. "Mecanismos de defesa contra predadores em larvas da borboleta Methona themisto (Nymphalidae: Ithomiinae)." [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/316371.

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Orientador: Jose Roberto Trigo<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Biologia<br>Made available in DSpace on 2018-08-10T19:03:33Z (GMT). No. of bitstreams: 1 Massuda_KamilaFerreira_M.pdf: 3824014 bytes, checksum: d4db5cb4afb22e7d40b4afc3d0677236 (MD5) Previous issue date: 2008<br>Resumo: As defesas químicas em lepidópteros compreendem mecanismos que vão desde o seqüestro de compostos do metabolismo secundário de plantas até a biossíntese de novo de compostos que podem torná-los tóxicos ou impalatáveis. As larvas da borboleta Methona themisto (Nymphalidae
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Leathers, Jason Wayne. "Evolution of aposematic warning coloration in parasitic wasps (Hymenoptera:Braconidae)." Thesis, 2005. http://hdl.handle.net/1957/33311.

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Many Hymenoptera, with their painful stings and noxious chemical defenses, exhibit bright aposematic warning color patterns and are the most frequently mimicked group of organisms. Such aposematic color patterns are found in parasitic wasps of the Neotropical Compsobracon group (Braconidae). Many members of this group exhibit color patterns similar to several thousand other species of Braconidae, Ichneumonidae, sawflies, assassin bugs, flies, moths, and beetles. One hypothesis to explain this observation is that the members of the complex and their colors are generated by multiple cospeciation
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Brandley, Nicholas. "Ultimate Causes and Consequences of Coloration in North American Black Widows." Diss., 2015. http://hdl.handle.net/10161/9954.

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<p>Researchers have long assumed that black widow coloration functions as a warning signal to avian predators. However adult female black widow coloration does not resemble typical warning coloration in two distinct ways. First, black widows are less colorful than most other documented aposematic species. Second, the hourglass shape of an adult female varies both between species and within a site. Here I examine the ultimate causes and consequences of North American black widow coloration. </p><p>In chapter two I present data that suggest that black widow coloration not only functions as an ap
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Books on the topic "Warning coloration (Biology)"

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Pryor, Kimberley Jane. Warning colors. Marshall Cavendish Benchmark, 2009.

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