Greater scaup or Aythya marila observed in Gajoldaba in West Bengal, India. Greater scaup (Aythya marila), just scaup in Europe or, colloquially, bluebill in North America, a mid-sized diving duck, observed in Gajoldaba in West Bengal, India

Greater Scaup

Greater Scaup duck

Greater Scaup

Sleepy Greater Scaup Duck

Greater Scaup - Aythya marila

Greater Scaup duck

Greater scaup

The greater scaup Aythya marila female bird.

Greater scaup duck

Greater Scaup Duck

The greater scaup Aythya marila female bird.

Greater Scaup - Aythya marila

The greater scaup Aythya marila duckling.

Greater Scaup - Aythya marila

Pair of greater scaup who swim along the river on a sunny spring

Greater Scaup resting at lakeside

Greater Scaup - Aythya marila

Greater Scaup Male And Female

Greater Scaup Gliding Fast Across Water

Greater Scaup

Greater Scaup resting at lakeside

Greater Scaup - Aythya marila

Greater Scaup resting at lakeside

Greater Scaup bird

Female Greater Scaup

Greater Scaup Swimming in a Urban Pond

Greater Scaup

Aythya marila, Greater Scaup.

The greater scaup Aythya marila female bird.

Greater scaup, Aythya marila

Greater Scaup swimming in a frozen Chesapeake bay

Greater Scaup playing at lakeside

A pair of greater scaup ducks floating on a lake.

A Feeding female Greater Scaup, Aythya marila

Greater Scaup playing at lakeside

Greater Scaup

Greater Scaup resting at seaside

Greater Scaup

Topper, Greater Scaup, Aythya marila

Greater Scaup resting at seaside