There were literally crowds of birds all along the marsh this morning with -- surprise! -- Yellow-rumped Warblers by the dozen...literally hundreds of birds in all. Either because the torrent of Yellow-rumps was so overwhelming as to command attention or because other birds have actually moved on, many other species seem to have disappeared or dropped drastically in numbers -- no Catbirds, no Phoebes, no Red-eyed Vireos. Both kinglets were present along with Blue-headed Vireos, Red-breasted Nuthatches, a few Swamp Sparrows and numbers of Robins and Flickers. The only other warbler seen was Common Yellow-throat. Also American Goldfinches, Chickadees and Titmice.
When large numbers of small passerine birds are on the move, the accipiters are rarely far behind. Both Cooper's and Sharp-shinned Hawks (Accipter cooperii and Accipiter striatus) are bird hawks and both species were skulking around in the woods, occasionally perched out in the open and were often chivied by the Corvid Corps: i.e. our Homeland Security crows and jays that regularly patrol the site. The hawks migrate along with their food supply and, unlike the buteos and falcons (Merlin excepted), they are well adapted to working in the woods.
Eric Salzman
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