Aythya marila
Greater Scaups are large diving ducks. The males rounded, black heads with a green glossy iridescence, yellow eyes, and blue-gray bills. They have black tails, necks, breasts, barred gray flanks and white sides and bellies, their wings are black tinged with brown and they have a broad, white band over their secondaries and most primaries.
Title: Greater Scaup drake at Bear River MBR
Location: Bear River Migratory Bird Refuge, Box Elder County, Utah
Date: 11/17/2014
Title: Greater Scaup drake in Autumn
Location: Bear River Migratory Bird Refuge, Box Elder County, Utah
Date: 11/17/2014
Title: Autumn drake Greater Scaup
Location: Bear River Migratory Bird Refuge, Box Elder County, Utah
Date: 11/17/2014
Title: Greater Scaup on a muddy creek bank
Location: Farmington Bay WMA, Davis County, Utah
Date: 11/30/2010