Intra-clutch ratio of yolk progesterone level changes with laying date in rockhopper penguins: a strategy to influence brood reduction?
Hatching asynchrony in avian species generally leads to a size hierarchy among siblings, favouring the first-hatched chicks. Maternally deposited hormones affect the embryo and chick's physiology and behaviour. It has been observed that progesterone, a hormone present at higher levels than othe...
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| Main Authors: | , , , |
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| Format: | article |
| Language: | EN |
| Published: |
Public Library of Science (PLoS)
2011
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| Subjects: | |
| Online Access: | https://doaj.org/article/ec7e521f33414531aeeb3f70f377a673 |
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