20 KEY TO THE SHORE BIRDS OF NORTH AMERICA. 



Section 6. Toes, 3 ; bill, over .60 in. 



Bill, black; shoulder (lesser and middle wing coverts), browu; 

 no web between toes ; legs, black. 



Sanderling Sandpiper. 

 Calidris arenaria. 

 See page 53. 



Bill, thick; shoulder (lesser and middle wing coverts), ashy 

 gray; legs, dull flesh color; a small web between toes. 



Wilson's Plover. 



Aegialitis Wilsoniu. 



Acgiolititi Wiis.miM. 



See page 77. 



Section 7. Toes, 3 ; bill, under .60. 



Bill, orange at base, the tip, black; legs, dull flesh color; a 

 black stripe from bill passing under eye. 



Semipal mated Plover. 

 Ring Neck. 



Aegialitis semipalmata. 



See page 75. 

 Acgiulitta 



Bill, orange at base, the tip, black; legs, orange yellow; no black stripe from bill 

 to eye; black breast band, not confluent; two middle tail feathers, tipped with 

 white. Eastern species not found west of Rocky Mountains. 



Piping Plover. 



Aegialitis meloda. 

 See page 75. 



Bill, orange at base, the tip, black; legs, orange yellow; no black stripe from 

 bill to eye; breast band, continuous and not broken in the middle; two 

 middle tail feathers, tipped with white. Eastern species not found west 

 of Rocky Mountains. 



Belted Piping Plover. 

 Aegialitis meloda circnmcincta. 



Bill, entirely black; legs, slate color; no black stripe from bill to 

 eye; two middle tail feathers, not tipped with white; two 

 outer tail feathers, white. Western species ranges from Texas 

 and Kansas, west, to the Pacific Ocean. Accidental in Florida. 



Snowy Plover. 



Aegialitis nivoxa. 



See page 70. 



AcginlitiB nivo-.-i 



