Hummingbirds use their long tongues to sip nectar from flowers. They’re able to roll their tongues into a tube-like shape. Since the 1800s, scientists thought those tongues worked through capillary action, like how water instantly rises into a straw in a full cup. But when scientists spent years

By carrying more people in a single vehicle, mass transit can use less energy than cars. Taking steps to reduce greenhouse gas emissions can help the hundreds of bird species put at risk by climate change. Not to mention, you can do a little birding on the commute – on the way to the bus or train

Helmeted Guineafowl are known for moving in frantic flocks, often running and squawking about. In their native range – from Senegal to South Africa – these chicken-sized birds are favored prey of wild cats and Martial Eagles, so they need to be alert! Because they’re also spooked by unfamiliar

When a Northern Saw-whet Owl spreads its wings, many birds can see something our human eyes can’t: the owl’s flight feathers glow with ultraviolet light. It’s invisible to humans without the help of a UV blacklight. While the glowing feathers on parrots might help them attract mates, the reason for

Although American Crows may seem blasé about pillaging another bird's nest, they regard a threat to their own young as a punishable offense. To protect their nest, adult crows dive-bomb people, cats, other animals, and even other birds. Young crows fledge when they are around five or six weeks old

En un día caluroso de verano, observa con atención aves como el cuervo, o como esta águila cabeza blanca. Nunca los verás sudar, porque las aves no tienen glándulas sudoríparas. Entonces, ¿cómo se mantienen frescas? Una forma es jadeando. Cuando respiran con rapidez, el calor se expulsa del cuerpo a

Rosy-Finches are a family of alpine songbirds. Three species can be found in the US and Canada: Grey-Crowned Rosy-Finch, Black Rosy-Finch and Brown-capped Rosy-Finch (shown above). All wear pink on their bellies and wings. But spotting that namesake hue means trekking up some of the most rugged

Author Christian Cooper is never not birding — even at the movies. For season 8 of the Bring Birds Back, Christian shares the story of a bird out of place in the 2006 film Apocalypto. Listen to the full episode about birds on screen here and in your favorite podcast app.

Common Swifts in Europe nest in eaves and under roof tiles and gables. But modern construction doesn’t have these nooks and crannies, and populations of swifts have been declining. However, there’s a solution called the “swift brick,” a small nesting box that fits right into the wall of a house or

Immature Bald Eagles look so different from mature Bald Eagles that early ornithologists thought they were a different species entirely! Sitting about three feet tall, these majestic birds have wingspans of more than six feet. Stretch your arms as far as you can, and imagine a bird whose reach is