Use of winter bird feeders by black-capped chickadees
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Published source details
Brittingham M.C. & Temple S.A. (1992) Use of winter bird feeders by black-capped chickadees. Journal of Wildlife Management, 56, 103-110.
Published source details Brittingham M.C. & Temple S.A. (1992) Use of winter bird feeders by black-capped chickadees. Journal of Wildlife Management, 56, 103-110.
Actions
This study is summarised as evidence for the following.
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Provide supplementary food for songbirds to increase adult survival Action Link |
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Provide supplementary food for songbirds to increase adult survival
A small study in two deciduous forest sites in Wisconsin, USA, in the winters of 1983-5 (Brittingham & Temple 1992) found that approximately 83 black-capped chickadees Parus atricapillus used two feeders providing sunflower seeds each day throughout winter, and obtained approximately 21% of their daily energy requirements from them. Birds with home territories nearer the feeders used it more than more distant birds, and more bird used the feeders (and fed at a higher rate) in the evening (an average of 39 chickadees using the feeders within two hours of sunset vs. 17 within two hours of sunrise and 36 at midday). Feeders were used the most in autumn and least in spring, with temperature not affecting feeder use. Feeders were monitored for 15 days over the two winters.
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