|Common Name:||Scaup, Lesser |
|Scientific Name:||Aythya affinis |
|Area:||MacKerricher State Park, California|
|Date:||June 12, 2013|
Lesser Scaup have a high point at the back of the head, compared to Greater Scaup that have a more rounded crown. This male is considered rare at this location this late in the year.
Lake Havasu, Arizona - - - February 20, 2009
|Reference:||National Geographic Field Guide to the Birds of North America / The Sibley Field Guide to Birds of Western North America||