380 



LAND BIRDS 



Geographical Distribution: "Western United States, from the Pacific east 

 to Western Nebraska ; from "Washington to Lower California. 



California Breeding Bange : Among the monntaiuous regions east of the 

 humid coast belt, and along the coast southward from Santa Cruz. 



Breeding Season : June and July. 



Nest : Glued to crevices of cliffs or walls of caves ; made of short twigs 

 and weed stems and soft vegetable matter ; lined with a few feathei"s. 



Eggs : 4 or 5 ; white. Size 0.88 X 0.53. 



Thk White-throated Swift is an 

 abundant resident of Southern Cali- 

 fornia, and may 

 be seen in num- 

 bers in the vicin- 

 ity of the Old 

 Mission at San 

 Juan Capistrano, as "well as in Los 

 Angeles County and other localities. Its 

 nesting site is the most inaccessible cliff 

 of the regions where it is resident ; con- 

 sequently only a iew nests have been in- 

 vestigated. The best account of one is 

 given by Mr. W. B. Judson, of Los 

 Angeles, where the nest was found. " It 

 was situated about eighty feet from the 

 top of a cliff and one hundred and twenty- 

 five feet from the ground, in a cave about 

 seven feet high, ten feet "wide, and ex- 

 tending some seven feet in the face of 

 the cliff. The nest was placed in a small 

 hole in the roof of the cave, — 



425. "White-throated almost too small to get my hand in 

 Swift. . . , t 



"m nesting Hte is 17^ without culargmg it, — extending 



'most inaccessible cliff'." 



