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 - ...

Add Yahoo as a preferred source to see more of our stories on Google. One of the greatest mysteries in biology is the question of how some animals are able to sense Earth’s magnetic field, and, in ...

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 ...

Larger-bodied migratory birds are reproducing less, while sedentary species of small-bodied birds tend to produce more offspring under similar conditions, according to an international study focused ...

Warble duets seem linked to active territory defense. Physical fights in the wild were always preceded by warble duets. Playback experiments also showed that parrots increased warble duets when ...

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 ...