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We studied the movement of wintering resident birds lured by playbacks of mobbing calls to compare the willingness of forest birds to travel various distances in continuous forest, along narrow corridors (fencerows), and across gaps in forest cover. We also quantified the willingness of black-capped chickadees (Poecile atricapillus) to cross gaps when alternative forested detour routes were available. All species were less likely to respond to the calls as distance increased to 200 m, though white-breasted nuthatches (Sitta carolinensis) and hairy woodpeckers (Picoides villosus) were generally less likely to respond than chickadees and downy woodpeckers (P. pubescens). Chickadees were as likely to travel in corridors as in continuous forest, but were less likely to cross gaps as gap distance increased. The other species were less willing to travel in corridors and gaps relative to forest, and the differences among habitats also increased with distance...
Cassady St. Clair, Colleen, Bélisle, Marc; Desrochers, André; Hannon, Susan. 1999. Winter Responses of Forest Birds to Habitat Corridors and Gaps (in Proc. Conference Biology & Management of Species and Habitats at Risk). Ministry of Environment, Lands and Parks; University College of the Cariboo. Conference Biology & ManagementProceedings
English Name: Downy Woodpecker, White-breasted Nuthatch, Hairy Woodpecker, Black-capped Chickadee
Other Identifier: University College of the Cariboo
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