Male sexual attractiveness and parental effort in blue tits: a test of the differential allocation hypothesis
| Autor: | Johnsen, Arild, Delhey, Kaspar, Schlicht, Emmi, Peters, Anne, Kempenaers, Bart |
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| Zdroj: | In Animal Behaviour 2005 70(4):877-888 |
| Databáze: | ScienceDirect |
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