278 KEY TO THE WATER BIRDS OF FLORIDA. 
TRINGA FUSCICOLLIS Vez. 
White-rumped Sandpiper. 
Adult in summer: Top of the head and back mottled 
with black, dull white, and buff ; throat white ; breast finely 
lined with dark brown; belly white ; an imperfect super- 
ciliary line of dull white, rump dusky gray and most of 
upper tail coverts white. 
Adult in winter: Top of the head and back grayish, 
some of the feathers marked with dark brown, giving it a 
slightly mottled appearance on the back and top of the 
head ; upper throat white ; breast ashy gray, the shafts of 
the feathers showing brown; belly white; forehead whit- 
ish, extending in an imperfect superciliary line. 
Length, 6.85; Wing, .4.95; Tarsus, .95; Bill, .95. 
This species may be distinguished by the 
white upper tail coverts. It ranges from the Arctic regions south to South 
America and the West Indies. It breeds in high latitudes; the eggs are 
buff or olive, spotted and dotted with dark brown. 
TRINGA MINUTILLA /ez?7. 
Least Sandpiper. 
Adult in summer: Very small; upper parts 
marked with tawny black and pale buff; under 
parts whitish on the throat, shading into ashy 
~ : . : gray, showing faint brownish lines on the breast ; 
om z = rest of the under parts white; bill dull black. 
No web between toes. 
ee of * Adult in winter: Similar to the above but 
POE acd Sie om : 
ie le eae grayer in color. 
Length, 5.50to 6.50; Wing, 3.60; Tarsus, .75 ; 
Bill, .85. 
The Least Sandpiper may be distinguished from the Semi- 
palmated Sandpiper by the absence of the small web between 
the toes, so noticeable in that species. cH 
Common throughout North and South America, breeding 
north of the United States. Eggs are three to four, generally LS 
pale buff mottled with chestnut brown. 
