210 
THE CONDOR 
Vol. XVI 
easily be imagined that a dislike to leave this section would drive them to 
make their home upon the flats where, omitting the rocks and cliffs, other con- 
ditions would appear most favorable. Be that as it may, my untimely disturb- 
ance of the nest, must have destroyed all faith in its suitability, for after the 
first day they Avere never seen to enter it again, and in a couple of days left en- 
tirely. 
I append a list of the birds observed upon the Flats. 
Band-tailed Pigeon. Columda fasciata. Several seen. 
Sharp-shinned Hawk. Accipiter velox. One pair. 
Cooper Hawk. Accipiter cooperi. 
Western Red-tailed Hawk. Buteo borealis calurus. One seen. 
Golden Eagle. Aquila chrysaetos. Examined a this-year’s nest. 
Long-eared Owl. Asia wilsonianus. Two young shot before our arrival. 
Pacific Horned Owl. Bubo virginianus pacificus. Seen in the evening. 
Cabanis Woodpecker. Dryobates villosus hyloscopus. Nest with young. 
Red-breasted Sapsucker. Sphyrapicus ruber. One seen. 
California Woodpecker. Melanerpes formicivorus bairdi. Breeding. 
Red-shafted Flicker. Colaptes cafer collaris. Breeding. 
Dusky Poor-will. Plialaenoptilus 7iuttalli californicus. 
Texas Nighthawk. Chordeiles acutipennis texensis. Several seen. 
White-throated Swift. Aeronautes melanoleucus. One pair, breeding? 
Black-chinned Hummingbird. Archilochus alexandri. Young in nest. 
Anna Hummingbird. Calypte anna. Breeding. 
Rufous Hummingbird. Selasphorus rufus. One male. 
Arkansas Kingbird. Tyrannus verticalis. 
Ash-throated Flycatcher. Myiarchus cinerascens. Breeding. 
Black Phoebe. Sayornis nigricans. 
Olive-sided Flycatcher. Nuttallornis borealis. In wooded canyons, among the 
pines. 
Western Wood Pewee. Myiochanes richardsoni. Full grown young in 'nest. 
AVestern Flycatcher. Empidonax difficilis. Breeding. 
Wright Flycatcher. Empidonax wrighti. A pair seen carrying nesting material to 
outer limb, high in a pine tree. 
Blue-fronted Jay. Cyanocitta stelleri frontalis. Nests found containing young 
and eggs. 
California Purple Finch. Carpodacus purpureus californicus. Quite tame about 
the camp. 
Lawrence Goldfinch. Astragalinus lawrencei. Breeding. 
Sierra Junco. Junco oreganus thurberi. Breeding. 
San Diego Song Sparrow. Melospiza melodia cooperi. 
Spurred Towhee. Pipilo maculatus megalonyx. Breeding. 
Green-tailed Towhee. Oreospiza chloriira. Breeding. 
Western Tanager. Piranga ludoviciana. Nests found with eggs and with young. 
Western Martin. Progne subis hesperia. Breeding. 
Tree Swallow. Iridoprocne bicolor. Several pairs seen. 
Northern Violet-green Swallow. Tachycineta thalassina lepida. 
Western Warbling Vireo. Yireosylva gilva swainsoni. Breeding. 
Hutton Vireo. Vireo huttoni. Breeding. 
Lutescent Warbler. Vermivora celata lutescens. One pair around camp. 
Black-throated Gray Warbler. Dendroica nigrescens. Three noted at camp. 
Golden Pileolated Warbler. Wilsonia pusilla chryseola. One pair at camp. 
Rock Wren. Salpinctes obsoletus. 
Dotted Canyon Wren. Catherpes mexicanus punctulatus. With full-fledged young. 
Western House Wren. Troglodytes aedon paricmani. Nests found with eggs and 
with young. 
Slender-billed Nuthatch. 8itta carolinensis aculeata. Several seen. Found 
breeding here in 1913. 
Bailey Mountain Chickadee. Penthestes gambeli baileyae. Breeding. 
Pallid Wren-tit. Chamaea fasciata henshawi. Breeding. 
Western Bluebird. Sialia mexicana occidentalis. Nests found with eggs and with 
young. 
Los Angeles, California, July g., igi4. 
