Mar., 1911 
SUMMER BIRDS OF WILLOW CREEK VALLEY, OREGON 
69 
59. Stelgidopteryx serripennis. Rough-winged Swallow. Moderately com- 
mon and seen almost daily; apparently nesting in the small canyons. 
60. Lanius 1 . excubitorides. White-rumped Shrike. Rather common and 
seen almost every day in the sage brush. 
01. Vireosylva g. swainsoni. Western Warbling Vireo. A single male, in 
song, was seen and secured in Pole Creek Canyon, July 19. 
62. Dendroica a. aestiva. Yellow Warbler. Abundant in the willow timber. 
Occasionally seen, but not plentiful, in Pole Creek and Willow Creek Canyons. 
63. Gsothlypis t. occidentalis. Western Yellowthroat. On two occasions a 
Yellowthroat, presumably representing this subspecies, was heard singing in a 
thicket at the mouth of Willow Creek Canyon. 
64. Icteria v. longicauda. Long-tailed Chat. Abundant in all the more ex- 
tensive willow thickets. 
65. Setophaga ruticilla. Redstart. On June 30 a jiair of Redstarts were seen 
in the willow timber. On July 14 a female was noted feeding a young Cowbird. 
66. Oreoscoptes montanus. Sage Thrasher. Common in the sage brush and 
seen nearly every day. 
67. Dumetella carolinensis. Catbird. A considerable number of Catbirds, 
both young and mature, were seen in the willow timber, but none were observed 
elsew'here. 
68. Salpinctes o. obsoletus. Rock Wren. Plentiful in canyons and other 
suitable places. Usually found in familie.5, the young being full grown by July 1. 
69. Troglodytes a. parkmani. Western House Wren. On June 28 a pair of 
these birds were seen feeding young in the nest; this was in a woodpecker’s hole in 
a small tree in the willow timber. Two or three other specimens were noted in the 
same locality and one was secured. 
70. Telmatodytes p. plesius. Western Marsh Wren. One .specimen w'as 
taken in a willow thicket, July 23. 
71. Sitta canadensis. Red-breasted Nuthatch. A bird of the year was taken 
in the willow timber, July 18. 
72. Penthestes a. septentrionalis. Long-tailed Chickadee. Two or three 
families w^ere met with in Pole Creek Canyon, July 1, and subsequently as many 
more in the willow timber, where one specimen was taken. 
73. Hylocichla u. swainsoni. Olive-backed Thrush. Numerous specimens 
were seen and two or three taken in the willow timber. Many males were in full 
song up to the middle of July, and nesting was still apparently going on. 
74. Planesticus m. propinquus. Western Robin. Robins were moderately 
common in the willow timber, but none were observed elsewhere. 
NESTING OF THE CALIFORNIA CUCKOO IN LOS ANGELES COUNTY, 
CALIFORNIA 
By ANTONIN JAY 
WITH THREK PHOTOS 
H aving read with much interest the account in the January Condor by Mr. 
Alfred C. Shelton, of the nesting of the California Cuckoo {Coccyziis a. 
occidentalis) in Sonoma County, and noting that some of its habits in that 
locality are slightly different from what they are here, I will endeavor to give a 
