GOLDEN PILEOLATED WARBLER 279 



Eggs. — 4 to 6, usually 4 or 5. Ground color white, sometimes 

 tinged with creamy, specked and spotted with reddish brown and 

 lavender gray, very few under shell markings; some specimens show 

 the markings well distributed, others have them in a wreath about 

 large end with scattering spots over rest of egg. Size: average .63X 

 .49. Figs. (116-118.) 



Nesting Dates. — Boulder Co., Colo., altitude 9,500 feet, June 16 

 (C. W. C). 



Biographical References 



(1) H. D. Minot, Notes on Colorado Birds, Bull. Nutt. Orn. Club, V, 1880, 

 228. (2) E. W. Nelson, Report upon Natural History Coll. made in Alaska, 

 204. (3) W. W. Cooke, The Birds of Colorado, 117. (The notes of both 

 Nelson and Cooke are given under the head of "Sylvania pusilla.") 



Golden Pileolated Warbler 



WILSONIA PUSILLA CHRYSEOLA Ridew. 



Subspecific Characters. — Similar to W. p. pileolata but smaller and of a 

 still brighter, deeper yellow. Wing, 2.15; tail, 1.96; bill, .32. 



General Distribution. — Pacific coast district of United States and 

 British Columbia. 



Summer Range. — Breeding from southern California (San Ber- 

 nardino, Los Angeles, and Ventura Counties) northward to British 

 Columbia (New Westminster, Mount Lehman) ; during migration 

 southward and eastward to eastern Oregon (Fort Klamath, May, 

 August), Arizona (Pinal County, September, October; Lowell, April; 

 Fort Verde, May; San Francisco Mountains, August 31; Cienega; 

 Tucson), Chihuahua (San Diego, April 15), Sonora (San Jose 

 Mountains, October), and Lower California (to Cape St. Lucas). 

 (Ridgw.) 



Winter Range. — Mexico and Central America. 



The Bird and Its Haunts. — "In California," Walter Fisher (MS) 

 writes, "the Golden Pileolated Warbler frequents copses along water 

 courses of the valleys, or willow thickets near mountain streams and 

 meadows, and in the moist northern coast region is found almost 

 anywhere in the luxuriant undergrowth. I have also encountered 

 a few in manzanita chaparral, where their yellow colors harmonized 

 perfectly with the vivid yellow-green of the sun-lit foliage. In the 

 Sierras I have found them tame but preoccupied, as Mrs. Bailey 

 aptly writes. One usually catches only a fleeting glimpse, when 

 the black cap is a most excellent aid in identification." 



Nesting Site. — In California, Barlow 2 records this bird as .build- 

 ing about three and one-half feet from the ground, placed upon a 



