Every spring, migratory birds arrive in the continental United States from south and central America to breed. But precisely when they arrive each spring varies from year to year. In a NASA-led study ...

CASTLE DANGER -- A quick flitter in the treetops, then a chirp or short song is all it takes to get Anna Peterson to make a mark on her clipboard. She pauses on her walk through the woods, checks her ...

New research shows mountain birds move up and down slopes to save energy, find food, and avoid competition across seasons.

Imagine zooming out on a giant family tree that includes every bird you have ever seen. Ostriches sprint across open plains, ...

According to the global wildlife aircraft collision databases, AVISURE, there have been 795 fatalities from major incidents caused by bird strikes since 1912. Bird strikes peaked in the northern ...

For some birds, recognising their own eggs can be a matter of life or death. Scientists have used imafe recognition technology to show that birds defending their nests against the Common Cuckoo - ...

Wading bird numbers in the Florida Everglades are driven by water patterns that play out over multiple years according to a new study. Previously, existing water conditions were seen as the primary ...