1909.] THE CAYUGA LAKE BASIN,, N. Y. 429 



227 (394c). Dryobates pubescens medianus (Swainson). Downy 

 woodpecker. 



Common permanent resident. The active season of nesting is 

 from May 10 to June 15. The earliest record of nesting is May 6, 

 1904. Our earliest record of young on the wing is June 9, 1904. 



228 (400). Picoides articus (Swainson). Arctic three-toed wood- 

 pecker. 



An occasional winter visitant. Specimens were taken at Ithaca 

 during the winter of 1895-6 and on November i, 1901, by L. A. 

 Fuertes. A female was taken October 19, 1901, at Sennett by L. O. 

 Ashbury. 



229 (402). Sphyrapicus varius (Linnasus). Yellow-bellied sap- 

 sucker. 



Common transient and " reported as breeding in Cayuga, Yates 

 and Oneida Counties" (Eaton). The average date of spring ar- 

 rival is April 10, the earliest, March 30, 1908. They become com- 

 mon the last of April and the first of May. The latest date upon 

 which individuals have been seen at Ithaca is May 26, 1900. Usu- 

 ally all have left by May 15. They appear in the fall from Sep- 

 tember 20 to November i. The latest fall record is one seen Nov- 

 ember 27, 1908. 



230 (406). Melanerpes erythrocephalus (Linnaeus). Red-headed 

 woodpecker. 



Rare in winter but becomes common about May 5. The only 

 nesting records which we have are eggs found June 13, 1903, and 

 May 16, 1907. 



231 (409). Centurus carolinus (Linnaeus). Red-bellied wood- 

 pecker. 



Rare. There are in the collection of Cornell University three 

 specimens taken near Ithaca. One in 1850, another in 1858 and a 

 third taken by L. A. Fuertes in November, 1894. Mr. G. C. Em- 

 body took a female in a small swamp just north of Auburn, March 

 4, 1898. 



232 (412a). Colaptes auratus luteus Bangs. Northern flicker. 

 Common summer resident and occasionally present in winter. 



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