Warbler Guy, Where may I most likely see warblers this time of year in northern California near you (or where might I see warblers in Marin County)?

 

Warbler Guy, Where may I most likely see warblers this time of year in northern California near you (or where might I see warblers in Marin County)?

Thanks for asking, Jeremy (in Mill Valley, CA).

Here's a great web site to note seven fine Marin County birdwatching spots (i.e., the best birding places in Marin County, and, arguably, some of the finest birding locales in northern California):
http://www.marintrails.com/birds.html

(By the way, my Web site, www.warblerwatch.com, features a button -- "2016 Nature Watch Calendar" -- where you can read several brief accounts that discuss wood-warblers in northern California and, in particular, wood-warblers in Marin County.)

Currently, among the seven on the list, I suggest going to Rock Springs (on Mt. Tamalpais) and
Muddy Hollow (within Point Reyes National Seashore, a paramount, iconic place on the W. Coast to see diverse species of birds in multiple families/orders).

In these two spots where forests occur, the most likely wood-warblers to see currently include TOWNSEND'S WARBLER (non-breeding season resident only; see closest above photo) and YELLOW-RUMPED WARBLER (typically the AUDUBON's subspecies).

At Rock Springs and Muddy Hollow, watch for the much less common (in this order) ORANGE-CROWNED and HERMIT WARBLER, too -- though they are both rare to absent throughout most of Marin Co. during January (Populations of these two neotropical migrants return in late winter and spring, thereby nesting in suitable habitats throughout the County.) Even more rare at this time of year is to see the NASHVILLE WARBLER (above photo, below the headline), though it periodically makes a cameo appearance and, indeed, the local annual Christmas Bird Count surveyors sometimes extract one from the landscape.

The Stinson Beach area is another "hot spot" for periodic sightings of uncommon overwintering/non-breeding season warblers, with NASHVILLE WARBLER and HERMIT WARBLER seen there on 12/5/16 by Peter Pyle. Check out sialia.com under his North Bay Birds listserv post, if you wish directions to the grove of trees where he saw these two species (as I know it's often a prime spot to watch for warblers in December/January annually).

Regards, Daniel

warblerwatch.com

(features my "Birding Tours" information for the 8-hour trips I often lead for birders)

Warbler Guy, which wood-warblers are endemic nesters to the continental U.S.?

 

Not many, Giselle, as only the Swainson’s, Virginia’s, Kentucky, Hermit, Golden-cheeked, and Yellow-throated Warbler have breeding ranges limited to areas within the lower 48 states.

To clarify, the Blackpoll Warbler does not qualify as an endemic nester to the continental U.S. because it breeds extensively in latitudes north (and into Canada) of the places where it breeds in the northern U.S.

(Below photo shows a male Kentucky Warbler.)