124 KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 
FAMILY CHARADRIIDZAE. 
Plovers. 
Toes, three, no hind toe. 
The Plovers are a cosmopolitan family, numbering something less than one hundred 
species, fifteen of which occur in North America, including exotic stragglers. As a rule they 
have but three toes, although two genera, Squatarola and Vanellus, have four. The tarsus is 
reticulate and the toes are partly webbed. 
Black-bellied Plover (Winter) Piping Plover Semipalmated Plover. 
* Group |. Wing, 3.75 to 4.50 inches long. 
Section 1. Bill, under .60. 
Bill, orange at base, the tip, black; legs, dull flesh color: a black 
stripe from bill passing under eye. 
Aeyialitis semipalmata. Semipalmated Plover. 
See No. 226. 
Aegialitis semi 
palmata, 
* For directions for measurement, sce page Y. 
