240. Actodromas fuscicollis 
WHITE=RUMPED SANDPIPER. 7.50 inches 
Adult. In spring. Above brownish gray, mottled with black, 
reddish tinged; base of tail white. Below white streaked with 
brown. In fall. Above brownish gray. Below, streaks on breast 
indistinct. Immature. Similar to spring adult, but back more 
reddish, and breast plain grayish. Also known as Aonaparte’s 
Sandpiper. Found on beaches and mud flats in company with 
other sandpipers. = 
Note. A sharp éseet, cseet. 
Breeds. Farnorth. Rare migrant in May, rather common from 
‘July to October, most abundant in September. 
va: 
