Dolphins are known for what appear to be big, contagious smiles. But do they actually, well, smile? The answer, according to a new study of dolphin play, is a resounding “maybe.” Dolphins use ...

There is no female opening, as eggs are instead released through the mouth.The team also found that several of the key genes controlling the development of the hindgut in animals with an anus also ...

But in this case, the humpback stayed at the surface with its mouth open for 10 seconds, likely the result of the animal feeling the “the odd sensation of the sea lion,” says anatomist Joy ...

But we found that the probability of mimicking another dolphin’s open mouth within one second was 13 times higher when the receiver dolphin saw the original expression. The animals increased ...

Eight fascinating animal species, such as Darwin's frog and ... The father keeps the developing embryos safe inside his mouth in the vocal sac until they are ready to hatch. The father then ...

Fearing a resurgence of the New World Screwworm parasite in the US, the Department of Agriculture block livestock imports from Mexico ...

raccoons and other animals. Pythons swallow deer, alligators and other prey whole. What they can eat is limited to and dependent on how big the Burmese python’s mouth opening can stretch.