Humans and dogs aren’t the only ones that can pass along yawns. They appear to be contagious among parakeets, too. Budgies are the first nonmammal species to exhibit contagious yawning in experiments ...

Bird flu, also called avian influenza, is a viral infection that can cause flu in birds and sometimes spread to mammals, including humans. Migrating waterfowl (wild ducks, geese, and storks) are ...

Docile, small, and rare, the golden parakeet (Guaruba guarouba) is an eye-catching bird known for its intense yellow plumage and bright green wingtips. All this beauty, however, makes the ararajuba, ...