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Browsing Journal of Oregon Ornithology by Author "Schrock, Floyd"

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Browsing Journal of Oregon Ornithology by Author "Schrock, Floyd"

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  • Schrock, Floyd; Bayer, Range D., 1947- (Newport, Or. : Gahmken Press, 1994)
    There were 5,776 records during 1981-1986 observations, with 99% of these observations during Schrock's systematic 1982-1985 observations. He found 32 waterbird and 99 landbird species. 16% of the waterbird species we ...
  • Llewellyn, Bob; Schrock, Floyd; Faxon, Darrel; Bayer, Range D., 1947- (Newport, Or. : Gahmken Press, 1994)
    This article is based on a total of 353 observations, many of which were systematic censuses. At West Beaver Pond, Llewellyn made 225 observations of waterbirds during 1982-June 1993. He noted a total of 19 taxa; 53% ...

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