DIRECTORY TO BIRDS OF. EASTERN NORTH AMERICA. 143 



5. BRANT, B. BERNiCLA. No white on head, neck with 

 a patch of white streaks on sides of mid- Fig. 174. 

 die ; brownish-gray above ; pale gray be- 

 neath, fig. 174. Breeds in the Arctic re- 

 gions; in N. A. chiefly on the Atlantic 

 coast : migrate south in Oct. and Nov. to 

 winter in southern U. S. ; return north in 

 April ; occur chiefly on the coast or out at 

 sea in migration. 



6. BLACK BRANT, B. nigricans. 

 Differs from 5 in being a little smaller, in 

 having the white on neck extended across 

 the front, and in being considerably dark- 

 er beneath. Breeds in Arctic N. A. mi- JV, E, C, 5. 1-4. 

 grating south through the west and wintering as far south as 

 Lower California ; casual on the Atlantic coast. 



b. Tree Ducks. Dendrocygna. 



Medium sized, duck like birds with long legs and strik- 

 ing colors, reddish-brown, chestnut, and black. Eggs, 10 to 

 15, yellowish or pale greenish. 



1. FULVOUS TREE DUCK, D. fulva. 21.00; head, 

 neck, and below, light cinnamon ; back, black with the feath- 

 ers tipped with cinnamon; bill, black. Southern border of 

 U. S. from La. westward and southward to Mexico; casual in 

 N. C. 



F. SWANS. Cygnidae. 



Large birds with neck longer than body ; swim with ease 

 and have the power of elevating the enlarged secondaries 

 which serve as sails; fly with great swiftness, when migrat- 

 ing moving high in air, often in V-shaped flocks; cries, loud 

 and harsh. Colors, white, black and white, or wholly black. 



a. White Swans. Olor. 



Pure white ; bill and feet, black; young, tinged with 

 brownish on head and neck ; bill and feet lighter. Nests, 

 placed on the ground; eggs, 3 to 5, white or buff. Usually 

 frequent inland waters both salt and fresh. 



