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Helpers and egg investment in the cooperatively breeding acorn woodpecker: testing the concealed helper effects hypothesis
In cooperatively breeding acorn woodpeckers (Melanerpes formicivorus), helper males have a large positive effect on fledging success in good acorn crop years but only a small positive effect in poor acorn crop years, while helper females exhibit the opposite pattern. Based on these findings, we test...
| Autores principales: | , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
Springer-Verlag
2009
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2728902/ https://www.ncbi.nlm.nih.gov/pubmed/19701482 http://dx.doi.org/10.1007/s00265-009-0773-y |