https://www.audubon.org/field-guide/bird/lesser-scaup
One of the most numerous and widespread diving ducks in North America, especially on inland waters. Can be very active when feeding, diving and surfacing...
lesser scaupfield guideaudubon
https://www.usgs.gov/publications/wetland-use-and-feeding-lesser-scaup-during-spring-migration-across-upper-midwest-usa
Low food availability and forage quality and concomitant decreased lipid reserves of lesser scaup (Aythya affinis; hereafter scaup) during spring migration in...
lesser scaupspring migrationwetlandusefeeding