Female brown-headed cowbirds lay eggs in other birds' nests. Find out what you should do if you see cowbird eggs.

Both birds and reptiles lay eggs to protect their young, but despite the basic similarities, the differences between their ...

Add Yahoo as a preferred source to see more of our stories on Google. A clutch of robin’s eggs on a nest in Moorestown, New Jersey. White eggs in the wild mostly belong to the birds that nest in deep ...

Monitoring the eggs of wild birds like the bearded vulture and the imperial eagle over a decade reveals the accumulation and persistence of environmental pollutants in ecosystems. At first glance, a ...