Named for the black spots that cover its head, back, sides and legs ... The frog is also threatened by introduced species: Bullfrogs and green frogs compete with Oregon spotted frogs for food, while ...

Four-eyed frog is the common name given to Pleurodema, a genus of frogs with characteristic poison glands which resemble eyes ...

Wood frogs have managed to survive further north than any other North American amphibian which reduces the competition they have to face for food and resources ... enough to head out to find ...

The frog’s front legs and head were sticking out of the snake ... Wheaton College biology professor Scott Shumway says. “The food chain depends on predators and prey.” ...

Food. Frogs use their sticky tongues to catch prey ... the frog transforms its spit to a watery form by pushing its eyeballs back into its head, placing force on the tongue.

John Mariana, Costa Rica, 2018 A somewhat camouflaged, submerged frog peeks its head out of the waters of a pond in Philadelphia. Get the latest Science stories in your inbox. Email Powered by ...