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Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
KDixon
1950
Journal
Apr 20. Strawberry Canyon, Univ. Calif. (campus), Hayward Co., Calif.
Anna Hummingbird, Allen Hummingbird, Downy Woodpecker,
Western Flycatcher
Swainson Thrush - abundant in oak woodland, giving single
wheee "faint"; one on N-facing slope at 6:45 gave two
"swirling" phrases of song several times but never a full
song.
Hutton Vireo (singing), Warbling Vireo, Orange-crowned and
Pileated Warblers, Yellow Warbler (song) "chi" "chuh"
Black-headed Grosbeak - see spec. acct.
Purple Finch - singing almost continuously.
Green-bellied Goldfinch - heard in woodland (calls)
Apr 23. Wildcat Creek, Contra Costa Co., Calif. Calm, sunny morning.
Martha & I worked along a tributary leading in from the E at
the level of the baseball diamond in Tilden Park (near tennis courts),
7:40 - 9:15. Birds noted in addition to the usual residents:
Rough-winged Swallow - 3 flying over meadow; flying over stream
near culvert, perhaps drinking.
Black-headed Grosbeak - songs heard from several sites
in oak woods
American Goldfinch - pairs scattered along willow-bordered
stream & singing.
Tolmie Warbler - ? in willows and also singing one
slope in woodland where understory dense.
Orange-crowned Warbler - 2 noted in willows not singing
Calif Quail - both "kow" notes (single) and "assembly" call
heard.