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A long-term study of reproductive performance in tree swallows: the influence of age and senescence on output |
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| Authors: | Raleigh J. Robertson Wallace B. Rendell |
| Affiliation: | Department of Biology, Queen's University, Kingston, Ontario K7L 3N6 Canada |
| Abstract: | |
| Keywords: | breeding output decline and improvement hypothesis testing nest initiation Tachycineta bicolor |