[SBB] Fighting Peregrine Falcons

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All,
 
This morning, in hopes of finding something new in the county, Frank  
Vanslager and I first checked out the Sunnyvale Water Treatment Facility and  the 
nearby Lockheed Martin Marsh.  The Water Treatment Facility Ponds  themselves 
were fairly empty with just a few ducks in both  ponds.  The marsh and Salt Pond 
A4 were also fairly slow but Salt Pond  A3W had a good concentration of RUDDY 
DUCKS with a few Scaup, WESTERN and  CLARK'S GREBES mixed in.  On the way back 
to the parking lot a  PEREGRINE FALCON was spotted flying over the marsh, a 
GREEN HERON and a  BURROWING OWL were flushed.  We then went to the Palo Alto 
Duck Pond, the  Yacht Harbor and finally to the Yacht Harbor entrance.  Here we 
spotted a  smaller, male Peregrine Falcon attacking and being attacked by a 
larger,  female PEFA.  Both PEFA were very vocal and we assumed a lover's  
quarrel however, after a few minutes a second female PEFA soon joined the fray  
with the end result that the original female ultimately flew west along the  
Power Lines and out of sight.  The remaining pair were both adult PEFA  but we 
were unable to age the original female.
 
Take care,
Bob Reiling
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