106 



KEY TO THE BIRDS OF EASTERN NORTH AMEBICAc 



FAMILY RECURVIROSTRID^E. 

 Avocets and Stilts. 



Tarsus over 3.50 inches ; bill, curved upward or straight. 



Avocet. 



Ill ~~ 



Stilt 



Head and neck, pale rufous (sum- 

 mer) ; white or grayish (winter) : 

 back and tail, white ; ax i liars, white 

 belly, white; first primary, dark 

 with dark shaft; bill, curved up- 

 ward; toes, four. 



Recurvirostra ainericana. 

 American Avocet. 

 See No. 182. 



Recurvi rostra amcricana. 



