Responses of Egg-Laying Pied Flycatchers to Experimental Changes in Clutch Size: A Re-Examination | Zendy

M. D. Kern | Zendy; Richard J. Cowie | Zendy; Frederick Maurice Slater | Zendy

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Responses of Egg-Laying Pied Flycatchers to Experimental Changes in Clutch Size: A Re-Examination

Author(s) -

M. D. Kern,

Richard J. Cowie,

Frederick Maurice Slater

Publication year - 2000

Publication title -

ornithological applications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.874

H-Index - 78

eISSN - 1938-5129

pISSN - 0010-5422

DOI - 10.1093/condor/102.2.428

Subject(s) - ficedula , clutch , avian clutch size , biology , zoology , laying , reproduction , ecology , physics , thermodynamics , astronomy

Previous studies with small numbers of clutches suggested that Pied Flycatchers (Ficedula hypoleuca) were determinate egg-layers whose clutch size was fixed before laying began. We found that females lay additional eggs of normal size if clutch size is experimentally reduced, but do not lay fewer eggs when clutch size is increased. In the terms of Kennedy and Power (1990), Pied Flycatchers are removal-indeterminate and addition-determinate.

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