Global warming may be causing birds to alter their nesting habits, according to a new study that found that some species in Chicago are laying their eggs, on average, nearly a month earlier than usual ...

DALLAS — Several flocks of lime-green parakeets living in the wild have become a municipal marvel in the wooded neighborhoods near White Rock Lake. "They're so amazing and unexpected," said ...

Forbes contributors publish independent expert analyses and insights. GrrlScientist writes about evolution, ecology, behavior and health. A small colony of nesting white storks (Ciconia ciconia) on ...