SCAUP DUCK OR BLUE-BILL.
148. Marila marila. 18 inches.
This and the following are widely known as Blue-bills owing to the slaty blue color of that member. Head, neck and breast are black; speculum and under parts white, and eyes yellow.
Nest.—In marshes about many of the ponds in the interior of British Columbia. 6 to 10 eggs pale greenish gray (2.50 × 1.70).