Scientific Name: Aythya valisineria
Population Estimate: 520K
Range / Habitat: Breeds in prairie potholes in western US and Canada and in the interior of Alaska. Winters on ocean bays and other suitable inland waters in the southern US into Mexico, along both US coasts, and in Cuba.
Field Notes: Large diving duck with sloping bill profile, red head, and black neck / chest. Belly and back are white and tail is black. Redhead is smaller with round head, grey bill, and grey back.
Personal Notes: Seen in migration in Minnesota, this striking duck was solitary and kept close to the weeds on the shore.