MIGRATION OF THE SAW-WHET OWL IN EASTERN NORTH AMERICA = MIGRATION DE AEGOLIUS ACADICUS DANS L'EST DE L'AMERIQUE DU NORDHOLROYD GL; WOODS JG.1975; BIRD-BANDG; U.S.A.; DA. 1975; VOL. 46; NO 2; PP. 101-105; BIBL. 8REFArticle

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