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Penguin Chicks Benefit from Elevated Yolk Androgen Levels under Sibling Competition
Crested penguins (genus Eudyptes) have a peculiar hatching pattern, with the first-laid egg (A-egg) hatching after the second-laid egg (B-egg) and chicks from A-eggs typically having a much lower survival probability. Maternal yolk androgens have been suggested to contribute to the competitive super...
| Autores principales: | , , , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Public Library of Science
2012
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3408461/ https://www.ncbi.nlm.nih.gov/pubmed/22860073 http://dx.doi.org/10.1371/journal.pone.0042174 |