The Common Merganser is one of our biggest ducks, about the size of some loons. Although it’s not closely related to loons, it has evolved a similar overall structure and predatory behavior. But a merganser has a unique feature: tooth-like serrations along the edge of the bill that help…

On June 23, 2000, the "MV Treasure" iron ore tanker sank off the coast of South Africa, covering 19,000 adult African Penguins in oil. Fortunately, thousands of volunteers arrived to help. The oily birds were moved to Cape Town to be cleaned. Another 19,500 penguins that escaped the oil…

The story of Cygnus the Swan constellation, from Greek mythology: Phaeton, unable to control the chariot of the sun, careens wildly though the heavens, scorching the earth. The god Zeus strikes the impetuous charioteer with a bolt of lightning, causing him to fall headlong into the river…

Forty to fifty million years ago, when the climate of the Antarctic was mild and seasonal, some of the largest birds ever known flew and hunted over its waters. They’re known as bony-toothed birds. Fossils show that most had wingspans of more than 12 feet. Their beaks were evenly studded…

Have you seen a larger bird dipping its sharp bill into your hummingbird feeder? It’s probably an oriole. These brightly colored birds winter in the tropics, where they often drink nectar from flowers. Tennessee Warblers — like this one — are often seen at flowers during migration. These…

Avalanches tend to follow historic channels down the face of a mountain, sweeping with them standing trees and boulders, while adjacent slopes remain clad in evergreens. Such natural snow courses are known as avalanche chutes. Soil often remains, creating a new opening for pioneering…

For years, we thought that when a bird perched on a branch to sleep, a specific tendon in its heel kept its feet locked on tightly. Another hypothesis claimed that it’s the internal structure of the birds’ toes that keeps them securely perched. But recent research suggests that the answer…

Cooper’s Hawks hunts primarily from flight, using speed and stealth to surprise prey — mostly birds like doves. But they’re adaptable and opportunistic in both what and how they’ll hunt. If a Cooper’s Hawk misses catching a sparrow on its first dive, it will sometimes walk into a bush to…

The catchy name “Jackdaw” belongs to a European bird that looks like a compact crow drawn in shades of light and dark gray. They are comfortable around people, which helps explain their place in folklore. Some cultures saw the Jackdaw as a predictor of rain, others as a savior of crops. Or…

Hurricanes bring tragedy not only to people, but also to birds and other wildlife. Severe storm winds may kill many birds and blow others far from their normal range. Although many individuals die, most populations of birds are resilient, able to spring back from disaster if conditions…