Students performing calls of the thick billed raven, the Adélie penguin and the common loon took the top three prizes Thursday night when Piedmont’s Bird Calling Show returned to the Alan Harvey ...
When Alison Kondler imitates a raven, you’d be forgiven for thinking a real raven just popped on the phone call. Not only is the Denver Audubon master birder a font of knowledge, she can create jaw- ...
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