After abandoning their nest for over three hours, Jackie and Shadow’s eagle eggs were damaged by invading birds near Big Bear Lake.

Egg-collecting enthusiasts in the late 1880s knew the hobby was crucial for understanding the natural world, but likely never imagined that their research would help scientists more than 100 years ...

That happy event occurred Jan. 23, 2026 at 4:32:24 in the afternoon, following Jackie displaying signs of active egg-laying ...

CHICAGO — Many species of birds are nesting and laying eggs nearly a month earlier than they did 100 years ago in the Chicago area and researchers believe climate change is behind it. Those were among ...

Great horned owls are heading into egg-laying season just as a winter storm is forecast to bring snow, sleet and frigid ...

A critically-endangered bird is making a comeback on the Galapagos Islands. Experts from the Charles Darwin Foundation and the Galapagos National Park Directorate who formed part of The Mangrove Finch ...

The number of eggs a bird lays — its clutch size — varies greatly among species. You might think every species should simply lay lots of eggs because that would increase the odds of more young birds ...