[EBB Sightings] Bonaparte's Gulls, Dumbarton Bridge; Alameda Co. big year

Hi,
Thanks for this reminder. We went there yesterday afternoon, and didn't 
find the Bonaparte's Gulls out by the north side of the bridge (at the 
end of the road by the fishing pier). However, we did find a flock of 
about 50 performing an elaborate aerial ballet between the south side of 
the bridge and the Don Edwards visitor center, finally settling down in 
the slough at the base of the hill by the visitor center, among flocks 
of avocet, stilts, and at least 20 incredibly cute eared grebes.

Good Birding,
Joan and Don Bernstein 


Bob Power wrote:
> Hi all:
> Bonaparte's Gulls continue in the hundreds on the
> north side of the Dumbarton Bridge (Access via the
> south side of the bridge and Don Edwards NWR). A great
> opportunity to view large numbers in non-breeding
> plumage, and presumably, watch their change-over for
> the next  two months.
> For those participating in the Alameda County Big
> Year, please zap me your numbers.  For those sitting
> on the fence, there's plenty of time left in the year.
> Don't worry about a late start.  The more the merrier.
> Bruce Mast's tracking sheet is still available, free
> of charge.
> Best regards,
> Bob Power
> Oakland, CA
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