Why do toads have warty skin?
Quick Answer
Toads often have bumpy or warty-looking skin because of glands and raised textures that help with moisture control and defense. Some of those glands produce irritating toxins.
The Full Story
Toad skin usually looks rougher than frog skin because it contains many raised glands and tubercles. These features can help with camouflage on dry ground and support secretion of defensive chemicals from parotoid glands behind the eyes. The toxins do not make the toad dangerous to handle in every case, but they can discourage predators. Skin texture also varies among species and is not a strict biological category. In other words, “warty” is a common appearance, not a single evolutionary design.
Key Facts
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"Why toads look bumpy and sometimes poisonous"
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