Related topics: chickens · bird flu

Social environment matters for duck penis size

Most birds lack genitalia, but male ducks are known for their long, spiraling penises, which have evolved through an ongoing cat-and-mouse game with females. A new study from The Auk: Ornithological Advances looks at whether ...

Will mallards hybridize their cousins out of existence?

Mallards—the familiar green-headed ducks of city parks—are one of a group of closely related waterfowl species, many of which are far less common. Interbreeding with Mallards can threaten the genetic distinctiveness of ...

Which extinct ducks could fly?

We're all familiar with flightless birds: ostriches, emus, penguins—and ducks? Ducks and geese, part of a bird family called the anatids, have been especially prone to becoming flightless over the course of evolutionary ...

Japan's largest complete dinosaur skeleton discovered

The complete skeleton of an 8-meter-long dinosaur has been unearthed from marine deposits dating back 72 million years at Japan's northern island of Hokkaido, making it the largest dinosaur skeleton ever found in Japan, according ...

Under-studied boreal habitat key for North America's ducks

Knowing where migrating birds came from and where they're headed is essential for their conservation and management. For ducks, most of this information comes from long-term bird-banding programs, but this type of research ...

Individual quality trumps reproductive tradeoffs in ducks

Not all ducks are created equal. In female Wood Ducks, variation in individual quality is what matters for breeding success and survival, according to the results of a new long-term study being published in The Auk: Ornithological ...

page 4 from 7