THERE is a great difference of opinion on this subject. While some maintain that birds do not eat fruits of this kind, others hold that they eat only the surrounding pulp, as of the berries of ...

Poisonous animals have their own secrets, of course. Some, like the rough-skinned newt of the Pacific Northwest, have specialized glands that produce anti-predator compounds.

Here’s why poisonous animals don’t poison themselves. Toxic birds and frogs have evolved a way to avoid harm—but not in the way we thought.

It sounds like the stuff of an Umberto Eco novel: Three poisonous books were found at the library of the University of Southern Denmark. Not, mind you, books about poison. The three texts are ...

WOODRUFF: As the bullfrog population went down, you started to hear some of our native chorus frogs again. DANIEL: In other words, once the bullfrogs croak, the native frogs can finally croon.

Ohio wildlife experts shared photos on Facebook of an extremely rare blue bullfrog recently caught in the wild. The photos sparked questions and theories about the colorful, mutant, 1-in-a-million ...