The shallow waters and wide mudflats of the Bolivar Flats Shorebird Sanctuary northeast of Galveston, Texas, are alive with thousands of gulls, terns, and shorebirds. American Avocets are often among the most abundant birds, with 5,000 or more here most winters. The avocets have sensitive…

You may see Dark-eyed Juncos in the summer, but come fall, many more — those that have been nesting in the mountains or farther north — arrive to spend the winter. These juncos often visit birdfeeders for winter feasting. Dark-eyed Juncos forage on the ground. The flash of white tail…

The cries of a Killdeer are familiar across most of the US during spring and summer. But where do they go in winter? Killdeer that breed in the southern half of the US and along the Pacific Coast are year-round residents. But those that breed in the northern US and Canada, where winter…

Consider three species of raptors: the Barn Owl, Peregrine Falcon, and Osprey. They’re on every continent except Antarctica. Each has a specialized hunting prowess distinct from the other. They can fly great distances. And like many birds of prey, they mate for life. The Barn Owl, pictured…

Boreal Chickadees live in the boreal forest year-round. How do they survive the harsh winter? First, during summer, they cache a great deal of food, both insects and seeds. Then in fall, they put on fresh, heavier plumage. And their feathers are denser than most birds', creating a comfy…

Birdfeeders full of seeds or suet can spark nonstop action. Chickadees flitter in and out. Finches expertly crack one seed after another, while jays, doves, woodpeckers and sparrows all join the flurry. This might bring to mind a neighborly picnic — but it’s not quite as friendly. At any…

There are two kinds of pelicans in North America – the American White Pelican and the Brown Pelican. And they’ve evolved different tactics to catch their prey.

A fledgling Great Horned Owl calls to be fed. Judging from the young bird's persistence, the parents seem to be responding only with calls, not with food. These entreaties can go on for weeks. Both parents let the fledgling know that it's time for him to feed himself. They've been bringing…

One of the lesser known hazards of a bird’s life — when flitting from shrub to shrub — is collision with spiders’ webs. And when a bird flies through a web, it’s the spider’s hard work that takes the hit. It can take a spider an hour just to repair the damage and get on with the task of…

If we had to pick one bird’s voice to symbolize our Eastern woodlands, the Blue Jay’s voice would likely be it. And as a frequent visitor to back yards and bird feeders, the Blue Jay is among the most recognized birds of the region. Nearly a foot long, Blue Jays can be loud and assertive…