Biologists have long debated why some plants and animals can adjust to a wide range of climates, while others can't.

The lowest number of starlings on record have been spotted in the RSPB’s long-running Big Garden Birdwatch citizen science scheme, the charity said. The charismatic garden bird dropped from ...

"Larger brain sizes correlate with more flexible behavior, so big-brained birds are usually expected to be more adaptable," Botero said. "However, it turns out that many big-brained birds are ...