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Eggshell Spottiness Reflects Maternally Transferred Antibodies in Blue Tits
Blue-green and brown-spotted eggshells in birds have been proposed as sexual signals of female physiological condition and egg quality, reflecting maternal investment in the egg. Testing this hypothesis requires linking eggshell coloration to egg content, which is lacking for brown protoporphyrin-ba...
| Autores principales: | , , , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Public Library of Science
2012
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3511563/ https://www.ncbi.nlm.nih.gov/pubmed/23226272 http://dx.doi.org/10.1371/journal.pone.0050389 |