112 



KEY TO THE BIKDS OF EASTERN NORTH A31ERICA. 



Section 4. Toes, four, without web; bill, over 1.10; and 



less than 1.90. • 



■:■-'■'■'" ■^. 



Winter. 



Bill, decurved ne:ir tip; one or more of inner secondaries, 

 almost entirely white ; tqjper tail cavcrls^ not ichite, Iiarred with black ; 

 legs and feet, black. Spring birds have black on the belly, and 

 l)ack, i-uluus brown and l)lack. Fall birds have the belly white and 

 back gray. Tringa alpina pacijicn. Red=backed Sandpiper. 



American Dunlin. 

 See No. 198. 



Tringa alpina paciflca. 



