Body size but not warning signal luminance influences predation risk in recently metamorphosed poison frogs
نویسندگان
چکیده
منابع مشابه
Body size but not warning signal luminance influences predation risk in recently metamorphosed poison frogs
During early development, many aposematic species have bright and conspicuous warning appearance, but have yet to acquire chemical defenses, a phenotypic state which presumably makes them vulnerable to predation. Body size and signal luminance in particular are known to be sensitive to variation in early nutrition. However, the relative importance of these traits as determinants of predation ri...
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Population divergence in sexual signals may lead to speciation through prezygotic isolation. Sexual signals can change solely due to variation in the level of natural selection acting against conspicuousness. However, directional mate choice (i.e., favoring conspicuousness) across different environments may lead to gene flow between populations, thereby delaying or even preventing the evolution...
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http://dx.doi.org/10.1016/j.anbehav.2015.06.001 0003-3472/© 2015 The Association for the Study of A Contests over resources are a key facet of social behaviour and have received extensive theoretical attention. However, the assumptions and predictions of the theoretical models have rarely been tested experimentally in wild free-living vertebrates. Here, we look at resource contests in wild Neol...
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Many animals advertise their chemical defense to predators with conspicuous coloration and unpalatability, but little is known about the information in these signal elements. To effectively avoid predation, is it more advantageous to invest in increased conspicuousness or greater noxiousness, or to allocate equally to both signal modalities? Using natural variation among poison frog species mea...
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ژورنال
عنوان ژورنال: Ecology and Evolution
سال: 2015
ISSN: 2045-7758
DOI: 10.1002/ece3.1731