LO6 KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 
FAMILY RECURVIROSTRIDE. 
Avocets and Stilts. 
Tarsus over 3.50 inches; bill, curved upward or straight. 
Head and neck, pale rufcus (sum- 
mer); White or grayish (winter) : 
back and tail, white: axillars, white 3 
belly, white; first primary, dark 
with dark shaft; bill, curved up- 
ward; toes, four. 
Recurvirostra americana. 
American Avocet. 
See No. 182. 
tecurvirostra americana, 
