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Seasonal and interannual variations in the sex-ratio of Lesser Kestrel Falco naumanni broods |
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| Authors: | J. L. Tella J. A. Donazar J. J. Negro F. Hiraldo |
| Affiliation: | Esfación Biológica de Doñana. CSIC, Avda. M Luisa sln, Pabellón del Perú, 41080 Sevilla, Spain |
| Abstract: | |
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