Horatio (in Sunnyvale, CA):
Yes, depending on your perch in the SF Bay Area, there's both resident, year-round wood-warbler species as well as neotropical migrants that return annually to nest here.
The following list, below, is a simplified, non-detailed overview of the nesters in Marin County without providing details:
(Note the * = nester as a spring/summer resident and # = a year-round nester that is resident year-round. In addition, it's important to realize that a few individuals of all wood-warblers in the Bay Area may persist throughout the non-breeding season (though the vast bulk of the * species vacate the Bay Area during the non-breeding season. + = non-breeding season resident only).
* and # Common Yellowthroat (with much of the area hosting two subspecies, including the CA Species of Special concern sinuosa subspecies)
* Yellow Warbler
* Orange-crowned Warbler (Note this species persists in small numbers throughout the "winter," but the large pulse of returning nesters begins in February and peaks in March.)
* Wilson's Warbler
* Yellow-rumped Warbler (ALSO note: LARGE numbers present during the non-breeding season at low elevations, but most of the nesters occur at higher altitudes in select Bay Area locations only.)
* Hermit Warbler
* Black-throated Gray Warbler
* Yellow-breasted Chat (extirpated from portions of its previous breeding range)
* MacGillivray's Warbler
+ Townsend's Warbler
Regards to you Horatio and all warbler seekers of this special family....Daniel
warblerwatch.com (hosts my bird guiding and birding tour information via the "Birding Tours" section)
415-382-1827, Novato, CA
Nice info, Mr. W
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