| Citação | Burger, J. 1987 Foraging efficiency in Gulls: a congeneric comparison of age differencs in efficiency and age of maturity. Studies in Avian Biology 10:83-90. |
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| Ref. No. | 4286 |
| Língua | English |
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| Encontre esta referência em | Google Scholar | Scirus | Species used from this reference |
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