Testosterone in tropical birds: effects of environmental and social factors.
Previous investigations suggest that male tropical birds have lower plasma testosterone concentrations than northern latitude species. To test whether this generalization is valid, we analyzed all currently available plasma testosterone data of tropical birds. We focused on peak breeding testosteron...
| Main Authors: | , , , , , |
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| Format: | Journal article |
| Language: | English |
| Published: |
2004
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