Greater Scaup

Aythya marila

ML152322021



eBird Checklist S55067542
Waneka Lake/Greenlee Preserve
Boulder, Colorado, United States
Search this location, Illustrated Checklist
Latitude and Longitude 39.997, -105.1142 Map

Age
Unknown
Sex
Unknown
Behaviors
Breeding
Tags

Comments

On male, note flat head, with peak well forward; large bill. On female, note also the extensive white at the base of the bill, plus a bit of a whitish wash on the ear coverts.

Observation details

See pix, discussion below.

Technical Information

Original file size
2,728KB

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