Winter range.—On the Pacific coast the species is resident north to the Columbia River (Portland and The Dalles, Oreg.) and is found south at this season to northern Baja California (Catavina and Guadalupe Valley). During two different winters these woodpeckers were recorded wintering in southern British Columbia (Alowna in 1920-21, Vernon in 1928-29, and Summerland 1928-29).
In the Rocky Mountain region it winters north to north-central Colorado (Boulder and Denver) and is found south to central Texas (San Angelo); southern New Mexico (Guadalupe Mountains); and northern Sonora (5 miles southwest of Nogales, Ariz.).
Spring migration.—At neither season is the migratory movement extensive, but the following early dates of arrival in the northern parts of the breeding range may be considered typical: Wyoming—Wheatland, April 15; Laramie, May 5; Yellowstone Park, May 14. Montana—Fortine, April 27; Big Hole River, May 1; Corvallis, May 6. Washington—Grand Dalles, April 23; Prescott, April 26; Tacoma, April 27. British Columbia—Okanagan Landing, April 20; Arrow Lakes, April 28; Sumas, May 3.
Fall migration.—The following are late dates of departure in autumn: British Columbia—Arrow Lakes, October 16; Kelowna, October 23; William Head, November 23. Washington—Prescott, September 18; North Dalles, October 10; Yakima, October 29. Montana—Columbia Falls, September 9; Missoula, September 17; Gold Creek, September 21. Wyoming—Laramie, September 24; Careyhurst, September 26; Wheatland, October 4.
Casual records.—Lewis’s woodpecker has been taken on several occasions at points east of its normal range. Among these records are Alberta, Castor, May 7 and 9, 1924; Big Hay Lake, October 12, 1930; and Lesser Slave Lake, May 22, 1928; Saskatchewan, one specimen at Herschel on September 23, 1914, three in the Qu’Appelle Valley, one from near Eastend on September 19, 1915, two in the same vicinity on September 24, 1929, and two in the summer of 1931; North Dakota, a specimen was taken at Neche, on October 13, 1916, and one was noted at Grafton on October 10, 1926; Nebraska, recorded at Long Pine during the winter of 1898-99; Kansas, a specimen at Ellis on May 6, 1878, and another near Lawrence on November 7, 1908; eastern Oklahoma, one was carefully observed near Tulsa on December 24, 1922; Iowa, recorded at Sioux City from November 28, 1928, to April 7, 1929; Illinois, one recorded from Chicago on May 24, 1923, and another from Argo on May 14, 1932; and Rhode Island, a specimen collected at Mount Pleasant, near Providence, on November 16, 1928.
- Egg dates.—California: 19 records, April 18 to June 10; 10 records, May 3 to 28, indicating the height of the season.
- Colorado: 30 records, May 8 to August 6; 15 records, June 2 to 20.
- Oregon: 18 records, May 17 to June 24; 9 records, May 30 to June 10.
- British Columbia: 6 records, May 31 to June 15.
CENTURUS CAROLINUS (Linnaeus)
RED-BELLIED WOODPECKER
HABITS