222 BULLETIN 130, UNITED STATES NATIONAL MUSEUM 



tliem to a long stretch of bare sand, where they evidently feel secure from 

 surprise by virtue of sentinels most alert with keenest senses of sight and 

 hearing, some hunters even claiming them to have a like keen sense of smell ; 

 at any rate they are most difhcult to approach at such times and usually beat 

 off up wind just before an approaching hunter gets within range. 



DISTRIBUTION 



Breeding rajige. — Northern North America, south of the barren 

 grounds. East to Labrador (Okak, Nain, Hopedale, etc.), and New- 

 foundland (Grand Lake). South to the Gulf of St. Lawrence 

 (Anticosti Island), James Baj^, South Dakota, northern Colorado 

 (Boulder County), northern Utah (Bear River), northern Nevada 

 (Halleck), and California (Lake Tahoe). Formerly, and perhaps 

 occasionally now, as far south as western Tennessee (Reelfoot Lake) 

 and northeastern Arkansas (Walker Lake). West to northeastern 

 California (Eagle Lake and Lower Klamath Lake), central Oregon 

 (Lake County), central Washington (Douglas County), central 

 British Columbia (Cariboo District), probably to the coast in 

 southern Alaska, and to the upper Yukon (Fort Yukon). North to 

 the northern limit of trees in Mackenzie (Providence and Fort An- 

 derson) and northern Quebec (Whale River). 



Winter range. — Nearly all of the United States. East to the At- 

 lantic coast. South to Florida (Wakulla and Marion Counties), the 

 Gulf coasts of Louisiana and Texas, Mexico (San Fernando, Mata- 

 moras, etc.), and southern California (San Diego). West nearly 

 or quite to the Pacific coast. North to southern British Columbia 

 (Chilliwack, Shuswap Lake, and the Okanogan Valley), northwest- 

 ern Wyoming (Yellowstone Park), South Dakota, southern Wis- 

 consin (Sauk County), southern Ohio, southern New England 

 (Long Island and Marthas Vineyard), and northeastward to Nova 

 Scotia (Barrington Bay, Port Joli, etc.). 



Spring migration. — Early dates of arrival: Rhode Island, Bloclc 

 Island, February 21; central Massachusetts, February 25; southern 

 New Hampshire, March 11; southern Maine, March 5; Quebec 

 City, March 1; Prince Edward Island, March 9; Labrador, Sand- 

 wich Bay, April 30; southern Iowa, February 4; Minnesota, Heron 

 Lake, February 23; North Dakota, Argusville, March 8; Manitoba, 

 Aweme, March 9 ; Saskatchewan, Reindeer Lake, April IT ; Mackenzie, 

 Fort Simpson, April 22, and Fort Anderson, May 15. Average dates 

 of arrival: Central Pennsylvania, March 17; central New York, 

 March 13 ; central Massachusetts, March 17 ; southern Maine, March 

 24 ; Quebec City, March 27 ; southern Iowa, March 1 ; southern Wis- 

 consin, March 13; southern Ontario, March 16; Manitoba, Aweme, 

 March 29; Mackenzie, Fort Simpson, April 28. Late dates of de- 



