Site-specific variation in food resources, sex ratios, and body condition of an overwintering migrant songbird
| Autor: | Townsend, Jason M., Rimmer, Christopher C., McFarland, Kent P., Goetz, James E. |
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| Zdroj: | The Auk, 2012 Oct 01. 129(4), 683-690. |
| Databáze: | JSTOR Journals |
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