A new study shows that one group of Galápagos yellow warblers responds to intruders more aggressively than others. It adds ...

New Guinea is home to some of the world’s most toxic birds. Why they contain poison, and how they withstand it is still a source of scientific mystery. The variable pitohui, a poisonous bird ...

Three ducks at the Queens Zoo have died of bird flu and 12 other birds that died at the Bronx Zoo may have come into contact with the virus, according to the Wildlife Conservation Society.

Birds don’t read books. It’s an obvious statement, but it reflects an important point: No matter how much we study and read about bird behavior, these creatures won't always do what they're "supposed ...