( 243 ) 



CALIDRIS ARENARIA— ILLIGER. 



SANDERLING. 



Ruddy Plover, Charadrius rubidus, Wils. Amer. Orn. Summer. 

 Sandcrlmg Plover, Charadrius Calidris, " Winter. 



Calidris areiiaria, Sjnderling, Sw. & Rich. 

 Saiiderlirig Plover, Caladrio arenaria, Nutt. Man. 

 Sanderluig, Tringa arenaria, Aud Orn. Biog. 



Specific Character — Bill straight, black, along tlie gap one inch 

 and one-eighth ; length of tarsi one inch ; hind toe wanting. 

 Adult with the bill straight, about as long as the head. Spring 

 plumage, upper parts, with the throat, fore neck, and upper part of 

 the breast rufous, intermixed with dusky and grayish-white, deeper 

 red on the back ; lower part of tlie breast, abdomen, and sides of 

 the body pure white ; tarsi and feet black; claws small, compress- 

 ed; primaries, outer webs black, inner webs light brown; shafts 

 brown at the base, tips black, rest parts white; secondaries light 

 brown, broadly margined with white. Winter dress, lower parts 

 v/hite ; upper parts grayish-white, intermixed with black or dusky, 

 darkest on the back. Length seven inches and three quarters, wing 

 four and seven-eighths. 



The Sanderling is said to be an inhabitant of both Europe and 

 America. According to Latham, it is known to be an inhabitant of 

 the remote coast of Australia, and is found on the shores of Lake 

 Baikal in Siberia. To the coast of the United States it is one of the 

 most common species, but with us I have never observed very large 

 numbers during spring. About the middle of August it arrives 

 in flocks on the shores of Long Island, and usually by the first of 

 September is very abundant. 



Sometimes it is seen occupying, with other small speci:s of 

 Sandpipers, the shoals and mud-flats that occur in the shaLow part 

 of the bay, though generally it seems to prefer the more immedi- 



