KEY TO THE WATER BIRDS OF FLORIDA. 197 
Length, 15; Wing, 10.30; Tail, 5.50; Tarsus, .75; 
Bill, 1.45. 
A widely distributed species not un- 
common in Florida in winter. It breeds 
commonly along the Atlantic coast; the 
eggs are three in number, grayish or buff 
white, marked with chocolate brown. 
STERNA DOUGALLI JZontag. 
Roseate Tern. 
Adult spring plumage : bill black, tinged with red at 
base; slender; cap black; upper plumage pearl gray ; 
under parts white, tinged with pink when freshly killed. 
Tail entirely white; outer feather longer than the 
others; legs vermillion red; iris brown. <dudt tn 
winter. Forehead whitish or grayish white; occiput 
and upper nape black. Immature specimens have the 
upper parts mottled with gray and buff. 
Length, 15; Wing, 7.75; Tail, 7.50; Tarsus, .85 ; 
Bill, 1.55. 
A common species on the Atlantic coast. It is resident and breeds in 
Florida, ranging in summer north to New England. 
The eggs are three in number, pale, buffy gray or grayish white 
marked with chocolate brown. 
STERNA ANTILLARUM (Zess.). 
Least Tern, 
Adult in summer: Bill yellow, tipped with black; fore- 
head white; crown and lores black; upper parts pearl gray ; 
under parts white; outer primaries brownish black on outer 
webs and inner half of inner webs; tail white; feet orange 
yellow. p 
Adult in winter: Forepart of crown white, marked with 
black; occiput black. Immature birds have the upper parts 
mottled with buff and the bill dark brown. 
Length, 9.50; Wing, 7: Tail, 3.50; Tarsus, .60; Bill, 1.20. 
This is the smallest of the Terns. It is resident in parts of Florida and 
breeds in the State. The eggs are three, sometimes four, pale buff or 
brownish white dotted with brown. 
