[SBB] American Redstart, Guadalupe River

["Steve and Heather Rottenborn" <[[email protected]]>]

This morning (23 Sep), I checked two spots along lower Coyote Creek and one
along the lower Guadalupe River for migrants.  The highlights were a
hatch-year male American Redstart and a very unusual Warbling Vireo, both
along the northeast side of the Guadalupe River near the lone eucalyptus
several hundred meters upstream from Monague Expwy.

I started on the east side of lower Coyote Creek, where I birded from the
vicinity of the Reach 1A waterbird pond (though on the opposite side of the
creek) to a point about even with the CCFS banding trailers (though again, I
was on the east side of the creek).  There were very few migrants:

2 "Western" Flycatchers
3 Yellow Warblers
2 Wilson's Warblers
1 Ruby-crowned Kinglet (my first of season)
2 Orange-crowned Warblers

One Pectoral Sandpiper flew over, heading inland, with a flock of Leasts.

I then checked the east side of Coyote Creek at the end of Sycamore Drive,
south of Tasman Drive.  Migrants/early arrivals here included the following:

5 Western Wood-Pewees
1 Swainson's Thrush
2 Ruby-crowned Kinglets
1 Orange-crowned Warbler
8 Yellow Warblers
2 Wilson's Warblers
1 Yellow-rumped Warbler
1 MacGillivray's Warbler
10 Western Tanagers

Finally, I birded the northeast side of the Guadalupe River from Montague
Expwy. upstream to Trimble Road and back.  Decent numbers of migrants were
present in both the riparian habitat along the creek and the ornamental
vegetation on the ouboard side of the flood control levee, with birds
frequently flying back and forth.  In addition to the redstart, which was
with a couple of chickadees and Warbling Vireos, I had the following:

1 Willow Flycatcher
2 "Western" Flycatchers
1 Western Wood-Pewee
1 Cassin's Vireo
16 Warbling Vireos (some extensively yellow on the underparts; one abnormal
bird with a slightly longer-than-normal, pointed, warbler-like bill looked 
very
much like some old-world warbler, but it was otherwise a typical Warbling
Vireo and I think that's what it was)
1 Hermit Thrush (my first of season)
2 Orange-crowned Warblers
22 Yellow Warblers
12 Yellow-rumped Warblers
1 MacGillivray's Warbler
8 Wilson's Warblers
28 Western Tanagers
2 Black-headed Grosbeaks

At our house in Morgan Hill, the female Costa's Hummingbird (first detected
30 August) is still around.  Though numbers of Anna's Hummingbirds have
increased in the last week (with probably 75-100 individuals in the yard
daily), we're down to about 5 Selasphorus hummingbirds.  The last
Black-chinned Hummingbird I saw here was on 19 September.

Steve Rottenborn
Morgan Hill, CA


_______________________________________________
Do not post admin requests to the list. They will be ignored.
South-Bay-Birds mailing list      ([[email protected]])
Help/Unsubscribe/Update your Subscription:
http://plaidworks.org/mailman/listinfo/south-bay-birds_plaidworks.org