Over the last 20 years scaup numbers have declined, and these declines have been greatest in the northern boreal forests of Canada and Alaska where most lesser scaup (Aythya affinis) nest. We studied ...

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The population estimate for greater (Aythya marila) and lesser (Aythya affinis) scaup (combined) has declined dramatically since the early 1980s to record lows in 1998. The 1998 estimate of 3.47 ...

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 ...

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 ...

As the spring thaw begins to open bodies of water, ducks begin to migrate through Teller County. Although Teller is rather dry, rivers and lakes do attract some diving ducks that like deeper water.

Wildlife managers from the Minnesota Department of Natural Resources are again finding dead lesser scaup on Lake Winnibigoshish north of Deer River this fall, the agency announced Thursday. The ducks ...

They're out there right now off the shores of San Francisco Bay, sometimes rafting up in large groups to resist the wind, sometimes diving beneath the gray water to feed: big, handsome ducks with ...

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 ...