243a. Pelidna alpina sakhalina 
RED-BACKED SANDPIPER. $8 inches 
Adult. In spring. Above reddish brown, mottled with black 
and white, head lighter colored. Below white, finely streaked with 
black, belly black ; long black bill slightly curved. \nfall. Above 
gray. Below,throat white; breast grayish. Immature. Above 
black with reddish streaks and markings. Below yellowish, breast 
streaked with black. Also known as American Dunlin. Fre- 
quents the outer beaches and rocky points in company with San- 
derling and other beach birds. 
Breeds. Farnorth. Rare migrant in May, common Sertember 
to November. 
