[EBB Sightings] Jewel Lake Update

Phila and all,
Just for everyone's information, the notebooks I
maintain for the East Bay include numerous historical
records of Warbling Vireos by about this date
(3/19)and the species can already be common before
April. For example, on March 31, 1996 I had no less
than 15 singing males in a 1.57 mile stretch of
Pinehurst Road, all presumably territorial males. On
April 1, 1995 I had 20 singing males on a 2.7 mile
stretch of that same road. 
As to the grosbeak, I believe that the early arrivals
are often in the very last few days of March but they
don't arrive in any numbers in April.
Steve Glover
Dublin
--- Phila Rogers  wrote:

> 
> 
> Dear Birders:
> 
> Yesterday morning Emily Strauss and I made the Jewel
> Lake circuit
> beginning  along the Pack Rat Trail which crosses
> the slope densely
> wooded with oaks and bays.  Wilson's Warblers are
> singing on territory
> now joining the Orange-crowned Warblers who were
> singing alone two
> weeks ago. Other prominent members of the chorus
> will be arriving next
> month -- Black-headed Grosbeaks, Warbling Vireos,
> and finally the
> virtuoso flautist -- the Swainson's Thrush.
> 
> On the lake, wintering Buffleheads and a female
> Common Goldeneye remain
> -- but not for long.
> 
> Phila Rogers    
> 
> 
>      
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