Olenick, Roberta J., Never-Spook-the-Animals Wildlife Photography, 3778 West 13th Avenue, Vancouver, British Columbia, V6R 2S6, Canada
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The Canadian Field-Naturalist Vol. 118 No. 3 (2004) - Notes
American Dipper, Cinclus mexicanus, Preys Upon Larval Tailed Frogs, Ascaphus truei
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