The massive annual spring migration of America's birds – millions of them – is underway. Here's how to follow along at home.

The massive annual spring migration of America's birds – millions of them – is underway. Here's how to follow along at home.

gives the birds an advantage in the wild. Since then, the genes for yellow bills have spread into the populations of finches with red bills. Red was the original color for these finches' bills ...

the mountain chickadee and rosy finches. Whether higher elevation birds move depends on local conditions. Short-distance migrants: These can include the eastern phoebe, the yellow-bellied ...

The research, published March 19 in the journal Nature, suggests parrots (and specifically parakeets) could be a model for ...

In his beautiful book Wild Waterways, Robert O’Leary details the rich diversity of wildlife that lives along Dublin’s River ...

Watching these birds ... yellow.) A scattering of red-faced redpolls came by, but not like the large numbers reported elsewhere. But things changed when we reached February. Another small finch ...

And certainly many wild birds are usefully edible ... They share descent with the largest animals ever to walk on land: The house finch outside your window is a tiny and beautifully adapted ...

Seeds in North America that are favored by wild birds ... look to birds. Follow the trail of droppings, which contain viable seeds, back to the host poison ivy vine. Poison ivy berries are relished by ...