Groundbreaking study of largest group of living vertebrates finds that embryos release a neurohormone that makes them ...

Researchers have discovered a rare example of 'great fish parenting' with a common coral reef species found to actively protect their young by eating parasites.

A captive breeding program for the endangered Cape Sable seaside sparrow could increase the number of wild birds and help ...

Beauty is in the eye of the beholder—even if that beholder is a barn swallow. Depending on where the birds live, some of them ...