The effect of direct supplementary feeding of nestlings on weight loss in female Great Tits Parus major |
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| Authors: | ROSS D JOHNSTON |
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| Institution: | Avian Ecology Unit, DMBS, Cottrell Building, University of Stirling, Stirling, Scotland FK8 4LA, UK |
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| Abstract: | Experimentally hand-feeding nestlings of enlarged (+3 nestlings) broods reduced female weight loss during the nestling period in a single-brooded Great Tit Parus major population in Scotland but did not affect nestling size. The result is consistent with the existence of a trade-off in parental care between reproductive costs and benefits. |
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