Black birds with a greenish sheen and brown heads sometimes visit my yard during spring migration. These are male brown-headed cowbirds, and they often arrive in mixed flocks of red-winged blackbirds ...

"When do bluebirds nest, and how many times can bluebirds nest in one year? I have one bluebird house that is being used for the third time this year. The first brood had six eggs and the second nest ...

Of all the vertebrates on Earth—that is, animals with backbones—birds are the only ones that lay colorful eggs. Scientists are still unsure why, but new research brings us a step closer to finding out ...

Q. Do brown-headed cowbirds select the nest of another bird to lay eggs in based on which species raised them as a nestling? In other words, if a cowbird is raised as a chick by a red-winged blackbird ...

Across the suburbs, it’s the time of year when Canada geese start putting down temporary roots in unlikely places. The birds have been spotted setting up nests and laying eggs in parking lots, on ...

Birds lay their eggs carefully in their nests away from human life. Many people have seen that the birds have abandoned their ...

SOUTH BEND — The peregrine falcon nest atop the downtown County-City Building bears two brown eggs that could hatch in the next month. As viewers can see through a live in-nest camera, they are being ...