The lesser scaup, a medium-sized black and white diving duck, is one of the most abundant and widespread of North American ducks. Its core nesting habitats are in boreal forests and parklands from ...

January saw two new admissions to the Wildlife Center for care, with both duck species being non-native to Virginia: the ruddy duck and the lesser scaup. Both of these duck species are migratory. They ...

The lesser scaup grows a larger penis when there are many males around to compete with. Ken & Nyetta Being raised around a lot of other males makes the lesser scaup duck's penis grow larger, ...

Found especially on inland waters, Lesser Scaup are one of North America’s most abundant, widespread diving ducks. Often, you will see them with Canvasbacks and Redheads. Energetic Lesser Scaup feed, ...

The scaup, it could be said, are difficult ducks to deal with. Two species occur in North America, but you can’t tell by looking. Well, you can, but you have to know what you’re looking for, and you ...

This week’s nature series features the Lesser Scaup, Aythya affinis, one of our most common diving ducks that is well known to hunters as the little bluebill or broadbill. This bird is common locally ...

The number of lesser scaup ducks is dwindling, and it could be an invasive species that does them in. Invasive snails and parasites are attacking these and other ducks on the Upper Mississippi. U.S.

Male ducks have some of the weirdest junk in nature—a ludicrously long, corkscrew-shaped member that evolved on account of an ongoing battle of the sexes. New research shows that the social ...