The science and technology publication American Scientist wrote about the "record-breaking, 10-inch-long whopper of a ...

Bullfrogs will eat almost any animal that doesn’t eat them first ... I received a photo of one bullfrog sitting on the side of an outdoor pool with a tufted titmouse in its mouth.

Some transport water, oxygen, and carbon dioxide either into or out of the animal. Others fight bacteria or fungal infections. And at least one—in each species—is used for defense. To warn ...