Learn how to identify bird eggs by color and size ... Female brown-headed cowbirds deposit their eggs in other birds' nests. Cowbird eggs have been found in nests of more than 220 other species.

A tray of tree pipit (Anthus trivialis) eggs from the Tomkinson Collection, held in the Museum's bird egg collection The Museum holds one of the largest and most comprehensive collections of blown ...

Sometimes eggs can be difficult to identify, and if you put the wrong egg in a nest the bird could abandon them all. If the ...

bald eagles are incubating eggs, so any time you turn in you have a good chance of catching sight of at least one of them on the nest. No, the American robin was chosen as Michigan's state bird in ...