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 ...

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 ...

A lesser scaup carrying an implanted satellite transmitter was spending time in Superior's Allouez Bay last week. The duck is one of 16 in a nationwide study that aims to understand what's causing the ...

Has a hunter in your family ever shot a bluebill? That's one of the folk names used for two species of ducks known officially as scaup, greater scaup and lesser scaup. The greater scaup is larger, as ...

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 ...

Identifying environmental metrics specific to lesser scaup (Aythya affînis; scaup) spring migration chronology may help inform development of conservation, management and population monitoring. Our ...

If it walks, waddles and quacks like a duck, it’s probably a mallard but might be a redhead, a scaup, a canvasback, a pintail or some similar pattern. Unlike most casual observers who suffer not if ...