The Redhead (Aythya americana) is a medium-sized diving duck. The adult male has a blue bill, a red head and neck, a black breast, and yellow eyes. The adult female has a brown head and body and a darker bluish bill with a black tip. The breeding habitat is marshes and prairie potholes in western North America.
King Eider detail
Barrow, Alaska | June | Canon 1D4 | Canon 600mm f4 IS | 70% of capture f9, 1/640, ISO400 Laying still, gaining the bird's trust, taking our time and getting low all paid off time and again in the tundra.
Long-tailed Duck - Whatbird.com
Long-tailed Duck: This small duck has black upperparts, head, neck, breast and wings; brown mottled black back, white flanks, belly, under tail coverts. Long black tail with long slender feathers, pale gray mask and black bill with dark pink saddle. Feeds on aquatic insects. Female is duller, lacks long tail, and has gray bill. Swift direct flight often with erratic side-to-side turns of body.