Thursday, December 15, 2016

Warbler Guy, given I live in the SF Bay Area, which warbler species are the most common to see during the non-breeding season (i.e., overwintering species)?

Good question, Sheehi (in Fairfield).

In general, in correct habitat, below I list the order (from most common to rarest) for abundance of wood-warbler species in the SF Bay Area during the non-breeding season. I suggest only the initial two on the following list — Yellow-rumped and Common Yellowthroat — are common to detect throughout the SF Bay Area during the non-breeding season:


(Orange-crowned Warbler, above, a common SF Bay breeding species, but rare to absent during the non-breeding season)

1. Yellow-rumped Warbler

2. Common Yellowthroat

3. Depending on which habitat you visit, the next most common species to detect could be:

Orange-crowned Warbler (strongest contender for the 3rd spot; see above photo)
Hermit Warbler (rare to absent during the non-breeding season)
Wilson's Warbler (rare to absent during the non-breeding season)
Palm Warbler (seen annually during the non-breeding months, but never common in the SF Bay
Area during the "winter" months.....most common seen in during autumn migration along the coast, especially within Point Reyes National Seashore)
Black-throated Gray Warbler (rare, but annually seen during the winter, and, if so, during the West Marin Christmas Bird Count, for example)
Nashville Warbler (rare to absent during the non-breeding season; typically a transient in the SF Bay Area; does not nest here)

Regards, Daniel

warblerwatch.com
(hosts information about my 25+ years of Wildlife Biology services, in addition to my bird tours via the "Bird Tours" tab)




6 comments:

Anonymous said...

thank you WG!

Anonymous said...

great info., WG....thanks

Anonymous said...

Fun to read.......joan

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