In the early part of April, there were sometimes two dozen mallards on my mostly icy home pond. There was one male who was not fully “dressed’” —while all the other males in the group had long since ...

In the summer, the tree sparrow nests on the ground in Alaska and across northern Canada, including much of the brushy territory around Hudson Bay and north across the tundra to where the ice begins.

A House Sparrow building a neat round nest in a tree is an odd and seldom-seen sight. Recently, in western North Dakota I watched a male House Sparrow busily constructing a round grass nest in the ...

SOUTHEAST WISCONSIN -- You might be noticing near your yard or home quite a few nests starting to be built. From mid-April through the end of May, most of Wisconsin's many bird species will be ...

Many birds have reason to worry that the eggs in their nest might not be their own: Birds often deposit eggs into other nests and it is not easy for parents to tell their eggs from others. Researchers ...

"Ye have nests on the mountains, all rugged and stark, Ye have nests in the forest, all tangled and dark; Ye build and ye brood ‘neath the cottager's eves And ye sleep on the sod ‘mid the bonnie green ...

Neighboring groups of birds within the same species can create very different-looking nests — showing that their nest-building choices aren't solely controlled by instinct and the environment. Instead ...

Q: After hearing some birds shrieking, I went to investigate and found a male and female cardinal chasing house sparrows away from a nest in a thick vine. The sparrows kept trying to come back but the ...

Theory says that birds should choose nest sites that minimize their risk of predation, but studies often fail to show a connection between nest site selection and nest survival. Understanding these ...

Nests can be found anywhere birds are found. Here, many of our species are forest nesters appreciative of the leafy camouflage protecting them from predators. They come in all sizes from the large ...

When snow falls upon my yard in good amounts, I look for hardy winter birds just 5.5 inches long and weighing about as much as a slice of bread to appear beneath my feeders. They’re called American ...