202 SWANS. 



elevating the enlarged secondaries as sails; 

 fly with great swiftness, when migrating 

 moving high in air often in V-shaped flocks; 

 cries, loud and harsh. Nests on ground, 

 eggs, 3-5. 



242. WHOOPING SWAN. 



60; white, basal portion of bill, including 

 nostrils, yellow. Northern Eastern Hemis- 

 phere; occasional in southern Greenland. 



243. WHISTLEING SWAN. 



A little smaller than last, and has only 

 a small spot of yellow at base of bill. Breeds 

 far north, winters from Md. to Gulf of Mex.; 

 very rare on Atlantic coast, north of Md. 



244. TRUMPETER SWAN. 



Larger, 65; bill wholly black. Breeds 

 in interior of N. A. from Iowa northward; 

 casual on Atlantic coast. 



FLAMINGOES. 



Large birds with long necks and legs, 

 wdth feet and bill abruptly bent in middle. 



