Birds’ voices invite us to step into nature and learn more about the singers. Hearing what’s distinctive in one bird’s voice — compared to another — helps us identify our avian neighbors without seeing them. Amazing! The differences between the songs of three marsh-dwellers: the brassy…

The small, nondescript Pied-billed Grebe has an astonishing talent. The grebe is the master of its own buoyancy. It can squeeze out both the air trapped in its feathers and in its internal air-sacs and sink effortlessly. Learn more about the amazing, sinking Pied-billed Grebe at Cornell's…

Why do birds sing? Ornithologists have learned that the longer hours of light that come with spring trigger the release of hormones in birds. These hormones prompt the enlargement of the birds' gonads which, in turn, stimulate male birds to sing. Male birds - like this Black-headed…

It wasn’t until the 19th century that Northern Mockingbirds began nesting in the Northeastern states. In the 20th century, the birds expanded their range into Ohio and the upper Midwest. Much of California saw the arrival of mockingbirds in the 20th century, too. Habitat change due to…

Throughout history, the Japanese have viewed the crane as a symbol of good fortune. Because cranes mate for life, they also represent fidelity and honor. Visit SavingCranes.org, to learn more about the International Crane Foundation and the fight to save the Japanese Red-crowned Crane…

The annual Great Backyard Bird Count, February 12-15, 2021, is sponsored by the Cornell Lab of Ornithology. Birdwatchers across the country count birds and then report the numbers on-line. Although it may seem that crows are everywhere, the Northern Cardinal is reported on the most lists…

Traveling home after a flight into Seattle’s Sea-Tac airport, you might share a ride on the shuttle with a Red-tailed Hawk! To protect passengers, planes, and birds, airport biologists Steve Osmek and Bud Anderson capture raptors for relocation away from the airport. Then, as a public…

Mother Goose was sometimes illustrated as an old country woman wearing a tall hat and riding on the back of a goose. Or sometimes as just a big, motherly goose wearing reading glasses and a bonnet, a friendly figure children could trust. Support for BirdNote comes from Seattle’s Portage…

The Great Blue Heron is tall and slender with a bill like a sword and the graceful, measured moves of a dancer. And it’s mostly quiet. But when this bird does make noise, it can be downright scary.

As our climate changes, restoring coastal wetlands will be increasingly important for the welfare of people and birds. As manager of the McKinney National Wildlife Refuge in Long Island Sound, Rick Potvin oversees coastal and island habitat for wildlife. Rick and communities along the…