How do snakes manage to swallow and digest animals that are bigger than their heads? Unlike humans and many other animals, snakes don’t chew their food. They swallow their prey whole, which can ...

Measuring how commonly-prescribed pharmaceuticals behave in the guts of starlings is a daunting task, but a new study has aimed to do just that. The researchers found that the drug behaved similarly ...

Whereas human and many animals use teeth to crush or grind food as an initial part of the digestive process, some species such as birds that lack teeth grind food inside the gizzard -- a structure ...

Animals across diverse species, from crocodiles to birds and even young sea lions, intentionally swallow stones, a practice ...