Shore Birds 



237. Pribilof Sandpiper (Arqttatetta ptilocnemis), 

 L. 10. Jds. Similar to No. 536 above hut crnwu 

 much lighter; hnast with a black patch. Yng. Re- 

 semble adult above but breast grayish indistinctly 

 strpaked and with a pale buff band; belly white. 

 IVinUr. Similar to yng. but slaty gray above. 



Ranee.- ''Breeding in (he Pribllof IslandE, Alaska, and migrat- 

 ing' 10 coast of adjacent mainland south of Norton Sound." (A.O.U.) 



243a. Red-backed Sandpiper CPdidna aipina pa- 

 cifica). I.. 8; B. 1.5; . slightly curved, /ids. Belly 

 black; back chiefly rusty. Yng. Breast buffy, light- 

 ly streaked with dusky; belly white spotted with black; 

 back black, rusty, and buff. {Vinter. Above brown- 

 ish gray; below white; breast grayish, indistinctly 

 streaked. 



Hange- — North America; breeds In Arctic regions ana winters from 

 Gulf States and CaJItornia to South America. 



246. Semi pa I mated SandpipRr {Ereumtes pusi7.lus% 

 L, 6.3; B. .6 to .8, Toes webbed at base. y^ds. 

 Above brownish gray and black; little or no 

 rusty; below white, breast indistinctly streaked. Yng, 

 Above with rusty and whitish margins; below white, 

 breast grayish no streaks. IVinter. Above brownish 

 gray with black shaft streaks; below white. Notes, 

 weet-weet. 



Rang*.— Eastern North Atnerica; breeds In Arctic regions; winters 

 from Gulf States to South America. 



247. Western Sandpiper {ErsunH^s ocdJentalis'). 

 Similar to preceding but bill longer .S to 1.2; ads. more 

 rusty above, breast streaks more distinct, and mnre 

 numerous. Notes. Call, a soft wset'W»st; song, uttered on 

 the wing, "a rapid, uniform series of rather musical 

 trills." (Nelson.) 



Range,— North America, chiefly west of Mississippi Valley; bree4s 

 in Arctic regions; winters from Ciulf States to South America, 



248. ^AnAer\\x\q(Calidris arenaria). L. 8. Three 

 toes, tarsus scaled. Ads. Above rusty, black and 

 grayish; below white, breast spotted with black and 

 washed with rusty. Yng. Nape grayish, back black 

 feathers with two white or yellowish white terminal 

 spots; below silky white. IVinter, Above brownish 



gray with dusky shaft streaks; below silky white. 



Ran pe.—" Nearly coKmopolitan. breeding in Arctic and Sub- 

 Arctic regions, migrating, In Ameiica, Eouth to Chill and Patagonia," 

 (A.O.U.) ^ 



108 



