Search Results - Irwin Alperin

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  1. 1
    Gadwall Breeding on Long Island, New York

    Gadwall Breeding on Long Island, New York by Walter Sedwitz, Irwin Alperin, Malcolm Jacobson

    Published in The Auk
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    Abnormal Rectrix of Sparrow Hawk

    Abnormal Rectrix of Sparrow Hawk by Irwin M. Alperin

    Published in The Auk
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    Swainson's Warbler in Prospect Park, Kings County, New York

    Swainson's Warbler in Prospect Park, Kings County, New York by Irwin M. Alperin

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