. It is hard to see why mutations making animals brightly coloured would be beneficial and spread, because the first few animals with that trait would be much more likely to be caught by predators.
However, there are amphibians, such as fire-bellied toads, that have vivid colours only on body parts that are normally hidden. Such animals remain camouflaged at most times, but they may display their vivid colours when they are threatened or when fleeing a predator.A monthly celebration of the biodiversity of our planet’s animals, plants and other organisms.Loeffler-Henry and his colleagues wondered if this could explain the paradox.
“For amphibians, this seems to be the primary route,” says Loeffler-Henry. “It does resolve the paradox for amphibians, I would say.”Gary Nafis at Oregon State University. “It will really change the range of processes we think about when we consider warning signal evolution.”
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