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 ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Parrots are not an uncommon bird species — there are about ...