I AMELLIROSTRAL SWIMMERS 



117- Canvas-back. Marila valisineria. 



Range— Whole of North America, breeding 

 chiefly in the interior from the United States to 

 the Arctic Ocean. 



A noted table bird, especially in the soutli 

 where it feeds on wild celery. Can be distinguish- 

 ed from the Redhead by its darker head, lighter 

 hack, and gradually sloping bill. They nest abund- 

 antly in Manitoba, their habits being the same as 

 the preceding. They lay from six to ten eggs of 

 a darker shade than the Redheads. Size i'.40 x 

 1. 7u. Data.— Haunted Lake. x. Alberta, June L2, 

 L897. Ten eggs. Nest of reeds in a heavy reed 

 bed out in the lake. Collector, Walter Kaine. 



1 48. Scaup Duck. Mar/la marila. 



Range. — North America, breeding from North 

 Dakota northward, chiefly in the interior; south 

 in winter to Central America. 



A merica n Scaup I »uck 



Pale greenish gray 



'i li is and the following species are widely known 



as "Blue-bills" owing to the slaty blue color of 



that member. Their plumage is black and white. 



somewhal similar in pattern to thai of the Iled- 



liead, bul darker, and the whole head is black. 



Thej li'-si in marshes about many of the ponds and lakes in tin- interior of 



British America. The aesl IS made of marsh grasses and lined with leathers. 



The six to ten eggs are pale grayish or greenish gray. Size 2.50 \ L.70. Data. 

 Saltcoati Via] tie . N. W. Canada. June L5, 1901. Ten eggs. Nest in the grass; 

 ;> depression lined with down and dried grasses. Collector. Walter Raine. 



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