380 



LAND BIRDS 



Geographical Distribution : Western United States, from the Pacific east 

 to Western Nebraska ; from Washington to Lower California. 



California Breeding Range: Among the rnountaiuous 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 feathers. 

 4 or 5 ; white. Size 0.88 X 0.53. 



;, .* The 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 

 well 



Juan Capistrano, as 



as in 



425. 



White-throated 

 Swift. 



the 



" Its nesting site is 

 most inaccessible cliff.'' 



San 

 Los 



xVngeles County and other localities. Its 

 nesting site is the most inaccessible cliff 

 of the regions where it is resident ; con- 

 sequently only a few 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, — 

 almost too small to get my hand in 

 without enlarging it, — extending 



