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An Experimental Test Of Response By Common Ravens To Nest Exclosures, Teresa R. King
An Experimental Test Of Response By Common Ravens To Nest Exclosures, Teresa R. King
Cal Poly Humboldt theses and projects
Common ravens (Corvus corax) are intelligent generalists and a principal predator affecting population recovery of several threatened and endangered species, including the threatened western snowy plover (Charadrius nivosus nivosus). In Humboldt County, raven predation is a primary cause of low nest survival. Nest exclosures, cages around eggs that preclude entry by predators but allow plovers access to incubate, are known to increase nest success. However, speculation exists that exclosures may attract predators. The aims of this study were to summarize corvid distribution on Clam Beach County Park and Little River State Beach, evaluate habitat features associated …