KEY TO FAMILIES 



WATER BIRDS. 



GROUP 1. 

 Toes, four, with lobate webs, or webs on sides of toes. 



=.- 



Bill, pointed; feet, placed far back, near tail; underparts, silvery white; tail, very ^hort. 



Family PODICIPID/E. Grebes 



See page 26. 



Forehead, with bare shield; bill, rather sbort; general color, slaty gray; toes, with 

 lobate webs. Family RALLID/C. Subfamily FULICIN/E. Coots. 



See page 100. 



