ScienceDaily: Strange Science News |
| Elaborate bird plumage due to testosterone? Posted: 21 Oct 2011 04:47 AM PDT In many bird species males have a more elaborate plumage than females. This elaborate plumage is often used to signal body condition, to intimidate rivals or to attract potential mates. In many cases plumage colouration also depends on the hormone testosterone. Researchers have now investigated whether this also holds true for sex role-reversed bird species. |
| You are subscribed to email updates from ScienceDaily: Strange Science News To stop receiving these emails, you may unsubscribe now. | Email delivery powered by Google |
| Google Inc., 20 West Kinzie, Chicago IL USA 60610 | |
No comments:
Post a Comment