146 



KEY TO TllK WATI:r JURDS OF FI.ORIDA. 



Sterna dougalli. 



Length, 15; Wing, 10.25; Tail, 6.60; Bill, 1.50; Tar- 

 sus, .90. Adult in summer — liill dull orange red 

 tipped with black ; feet orange red : under parts 

 white. Adult in winter — bill dark brown; feet 

 brown; a dusky black patch on sides of the 

 head inclosing eye ; inner web of outer tail 

 feather darker than outer web in all plumages. 



Sterna forsteri. 

 Forster's Tern. 



See page 196 



Length, 15: Wing, 7.75 ; Tail, 7.50: Bill, 1.55 ; Tarsus, 

 .85, Bill black, showing tinge of red at the base ; 

 tail white ; whole of outer tail feather white ; 

 under parts white tinged with rose color ; feet 

 red. 



Sterna dougalli. 

 Roseate Tern. 



See page 197 



Length, 15; Wing, 10.30; Tail, 6; Bill, 1.60. Entire 

 plumage olive brown ; top of head whitish. 

 Immature birds have the top of the head brownish. 



Anous stolidus. 

 Noddy Tern. 



See page 199 



Length, 14.50; Wing, 10; Tail, 6; Bill, 1.60. 

 Crown black ; forehead and line extending over 



the eye white ; mantle gray; under parts white ; 

 bill and feet black. 



Sterna anaethetus. 

 Bridled Tern. 



See page 19S 



