July, 1906 | 
LAND BIRDS OF SAN ONOFRE, CALIFORNIA 
97 
Myiarchus cinerascens. Ash-throated Flycatcher. Two pairs were seen the 
last of May, 1904. 
Sayornis nigricans. Black Phoebe. A pair was building on the section 
house on March 25, 1906. 
Empidonax difficilis. Western Flycather. A single specimen was secured on 
March 27, 1905. 
Otocoris alpestris actia. California Horned Lark. Several pairs were seen on 
the mesa, May 29, 1904. 
Aphelocoma californica. California Jay. Rare; only three or four individuals 
were seen during the three trips. 
Corvus corax sinuatus. American Raven. Common; breeds on the cliffs 
along the sea shore. 
Corvus brachyrhynchos hesperis. California Crow. Common in the live oak 
groves where they breed. 
Agelaius phoeniceus neutralis. San Diego Red-wing. Abundant in the salt 
marsh in May, 1904, and March, 1905. 
Sturnella neglecta. Western Meadowlark. Only a few scattering individuals 
were found. 
Icterus bullocki Bullock Oriole. Bred commonly in the sycamores in 
May, 19O4. 
Euphagus cyanocephalus. Brewer Blackbird. Bred commonly; a full-grown 
young one was found on May 28, 1904. 
Carpodacus mexicanus frontalis. Linnet. Not at all common; breeds. 
Astragalinus tristis salicamans. Willow Goldfinch. Common about the marsh 
in May, 1904. 
Astragalinus psaltria hesperophilus. Green-backed Goldfinch. Also seen 
about the marsh in May, 1904. 
Passerculus sandwichensis alaudinus. Western Savanna Sparrow. A single 
specimen was secured March 27, 1905. 
Chondestes grammacus strigatus. Western Lark Sparrow. Several pairs were 
seen in the sage brush in March, 1905. 
Zonotrichia leucophrys gambeli. Intermediate Sparrow. A few straggling 
individuals of this winter visitant were found March 27, 1905. 
Junco hyemalis thurberi. Sierra Junco. A pair were noticed among the 
low bushes on a dark, damp, northern, oak-covered slope on March 27, 1905. 
Melospiza cinerea cooperi. San Diego Song Sparrow. Common on the marsh ; 
a nest was found containing three eggs on May 29, 1904. 
Melospiza lincolni. Lincoln Sparrow. A single specimen was secured on 
March 26, 1902. 
Pipilo fuscus senicula. Anthony Towhee. Quite common; a nest was found 
March 26, with three eggs in it. 
Zamelodia melanocephala. Black-headed Grosbeak. A few individuals were 
seen May 29, 1904, 
Guiraca casrulea lazula. Western Blue Grosbeak. One female was secured 
on May 29, 1904. 
Progne subis hesperia. W’estern Martin. Common; found nesting on all 
three visits. 
Petrochelidon lunifrons. Cliff Swallow. Common about the marsh. 
Hirundo erythrogaster. Barn Swallow. Migrant; one was secured May 29, 
1904, and another seen March 26, 1906. 
Iridoprocne bicolor. Tree Swallow. Abundant; one nest was found in 1904. 
