Re: [SBB] New Chicago Marsh

[Bill Bousman <[[email protected]]>]

At 04:21 PM 7/22/05, [[email protected]] wrote:
> All,
>
> This morning as Frank Vanslager and I checked out New Chicago Marsh we had
> perhaps a hundred RED-NECKED PHALAROPES (in two different groups) with 4-5
> WILSON PHALAROPES on the edges of the flocks. LEAST and WESTERN SANDPIPERS 
> seem
> to be filling some of the open spaces but the "far southern pond," by way of
> the  railroad tracks, was disappointing when compared to our last trip there
> (very  few birds).  A few GREATER YELLOWLEGS were also here and there, no 
> groups
>  and no Lessers and a couple LONG-BILLED DOWITCHERS were trying to rest 
> up.
> A one point we had an unusual sighting of eight COMMON RAVEN flying high
> over the marsh heading east.  (All of the tails were nicely wedge 
> shaped  but I
> thought that CORA were only seen in ones and twos?).

Folks:

We have winter flocks (some over 50) that move from favored roosting areas 
to the Bay and back.  As ravens are early breeders, Bob's observation may 
be one of these flocks.  Alternatively, there are bachelor flocks of 
2nd-calender year birds (1-year olds) that do not breed, but flock 
together.  These flocks are usually fairly small (less than 20 birds).

Bill

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