May, 1907 THE BREEDING BIRDS OF ESCONDIDO 89 



monly found in the sycamores and cottonwoods along the rivers. May 3 to June 7. 



Euphagus cyanocephalus. Brewer Blackbird. Very common resident, nesting 

 in small colonies of perhaps a dozen pairs most anywhere. April 15 to Ju..^ 1';. 



Carpodacus mexicanus frontalis. House Finch. Common resident, nesting 

 anywhere. April 2 to Jul}' 20. Probably three broods are raised. 



Astragalinus tristis salicamans. Willow Goldfinch. Common along the 

 river in San Pasqual. Varying greatly in numbers according to season. After a 

 wet spring with late rains, when the river is running well into the summer, they 

 are almost wholly lacking in sections where a dry season finds them most plentiful. 

 May 4 to July 21 (advanced). Two broods may possibly be raised. 



Astragalinus psaltria hesperophilus. Green-backed Goldfinch. Very com- 

 mon, nesting in small colonies in the orchards and indeed most anywhere. Two, 

 possibly three broods are raised. April 22 to July 21. 



Astragalinus lawrencei. I^awrence Goldfinch. Not uncommon summer visi- 

 tant, nesting in colonies of a few pairs in the orchards and other suitable places. 

 One brood only, as a rule. April 12 to May 25. 



Chondestes grammacus strigatus. Western I^ark Sparrow. Very common resi- 

 dent, nesting most anywhere, on ground, in low bushes, trees or vines. March 

 27 to July 6. Two, possibly three, broods are raised. 



Spizella socialis arizonae. Western Chipping Sparrow. Rather uncommon in 

 Escondido. Not seen in San Pasqual. Common in higher interior valle_vs, nesting 

 in first part of May. May 5 to 11. 



Spizella atrogularis. Black-chinned Sparrow. A nest with three eggs found 

 near my house on June 12, 1905, and kindly presented to me b}^ Mr. C. L- 

 Pauter of Escondido has been indentified by Mr. E. J. Horgan of the U. S. Nat. 

 Museum as being undoubtedly of this species. It is the only record of the appear- 

 ance of the species here that I have heard of. 



Amphispiza belli. Bell Sparrow. Very rare. Only two definite records from 

 San Pasqual. Nests were found by myself in 1905 (June 18), and by N. K. Car- 

 penter on May 27, 1906 (advanced). 



Aimophila ruficeps. Rufous-crowned Sparrow. Very rare. Only positive 

 record is that of a nest with two young and two almost pipped eggs found on March 

 11, 1900. Said to have been not uncommon in the earlier days when the hillsides 

 had not been cleared of brush. 



Melospiza cinerea cooperi. San Diego Song Sparrow. Common resident. 

 Very plentiful in San Pasqual along the river. April 14 to July 18 (advanced); two 

 broods, possibly three. 



Pipilo maculatus megalonyx. Spurred Towhee. Not a very common resi- 

 dent. Rather rare in Escondido but found more commonly in San Pasqual. March 

 11 to May 10 (j^oung). 



Pipilo fuscus senicula. Anthony Towhee. One of our most common residents. 

 Found everywhere. March 19 to July 12. 



Zamelodia melanocephala. Black-headed Grosbeak. A very common summer 

 visitant, nesting mostly in the willows along the rivers. April 28 to Juh^ 2. 



Guiraca caerulea lazula. Western Blue Grosbeak. Rare. Has been found 

 nesting in both Escondido and San Pasqual. May 5 to June 26. 



Cyanospiza amoena. Eazuli Bunting. Common but somewhat irregular in 

 its appearance. April 30 to June 2. 



Progne subis hesperia. Western Martin. Very rare. Only one pair known 

 to nest in Escondido. These for many seasons returned to the same cavity in a 

 sycamore standing beside a barn on a fruit ranch here, but have been missing now 

 for two seasons. 



