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3 results from messages in CALBIRDS

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  • The paper I cited earlier was an old one. Paul is right about the more current view of Pleistocene bathymetry. And apparently there was a record of Western Scrub-Jay from the Farallones. But Ned Johnson, in the same 1972 paper I cited before, considered the bird to be human assisted. Pyle and Henderson (WESTERN BIRDS 22:41-84) do not even mention it in their 1991 summary of...
    Jeff Davis Oct 2, 2002
  • Dear Nathan -- Santa Rosa and Anacapa each are about 5 miles from Santa Cruz. As far as I know no Island Scrub-Jay has ever made it to either of these nearest islands in modern times. And in fact the jay was thought not to have ever flown over water to get to Santa Cruz itself. Rather, it may have colonized during the northern Channel Islands peninsular stage of the Pleistocene...
    Jeff Davis Oct 1, 2002
  • I have seen at least three black-backed types in Monterey County. All, as I recall, were between early May and late June, suggesting these birds were local breeders, or at least did not migrate from somewhere well to the east. I have an "in-hand" photograph of an apparently completely black-backed male that we captured at the Big Sur Ornithology Lab in 1993. I remember that Don...
    Jeff Davis Jan 8, 2002
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