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Costs of incubation in Common Terns Sterna hirundo: replication and extension of a clutch-enlargement experiment
Hatch, J.J. & Nisbet, I.C.T. (2011) Ibis 153(1):185189
Manipulation of clutch size during incubation has been used in a number of studies to investigate life-history costs of incubation. We increased or decreased clutches of Common Terns Sterna hirundo during incubation and measured subsequent chick growth and productivity. Our results provide little support for the hypothesis that costs of incubation in Common Terns are substantially affected by the number of eggs incubated.

Keywords: clutch size; growth; productivity


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