THE BIRD BOOK 



149. Lesser Scaup Duck. Marila affinis. 



Range.— North America, breeding from North 

 Dakota and British Columbia northward; win 

 ters south to Central America. 



This Duck is distinguished from the preceding, 

 chiefly by its size which is about two inches less, 

 or 17 inches in length. The nesting habits are 

 the same as those of the Greater Scaup and the 

 eggs are similar but smaller. Size 2.25 x 1.55. 

 Data. — Northern Assiniboia, June 10, 1901. Ten 

 eggs on grass and down at the edge of a lagoon. 

 Collector, Walter Raine. 



150. Ring-necked Duck. Marila collaris. 



Range. — North America, breeding in the inter- 

 ior, from North Dakota and Washington north- 

 ward. Winters from Maryland on the east and 

 British Columbia on the west to Central America. 



Lesser Scaup Duck 



Ring-necked Duck 



"•'(^Pv Lead gray 



Similar to the Lesser Scaup in size and plum- 

 age, except that it has a narrow chestnut collar 

 around the neck, the back is black instead of 

 barred with white, and the speculum is gray instead of white. The habits and 

 nesting habits of the Rinij-neck do not differ from those of the other Scaups. 

 They lay from six to twelve eggs. Size 2.25 x 1.60. Data. — Cape Bathurst, 

 N. Y. T., June 18, 1901. Ten eggs in a slight hollow in the moss, lined with 

 down. Collector, Captain Bodfish. 



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