[SBB] Swamp Sparrow on Alviso Slough

["Roland Kenner" <[[email protected]]>]

This morning, 1/30/07, Pat Kenny and I walked along Alviso Slough from the 
Marina to the southeast corner of salt pond A10.  When we started our walk 
about 8, A12 was glassy smooth under sunny skies.  The tide was quite high 
and there was a lot of water in the marsh between the levee and the main 
channel of the slough.

At 8:40 am we found a SWAMP SPARROW on the slough side of the A12-levee 
trail.  This was about .5 miles from the Marina and half way to the corner 
of A11, opposite a 2'x4'x1.5' piece of dirty yellow foam of some kind.

A scan of A11 turned up 52 RED-BREASTED MERGANSERs.  There must have been 
many more than this and there were certainly more on A10.  On the far side 
of A10 there were many 10s of REDHEADs.  There was a PEREGRINE FALCON 
sitting on the levee at the A12-A11 corner.  We heard several rails, mostly 
SORAs and at least one VIRGINIA, but saw only a single SORA.  There were a 
few FOX SPARROWs in the marshes amongst the multitude of SONG SPARROWs and, 
surprisingly to me, a few RUBY-CROWNED KINGLETs.

Roland Kenner


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