| 引用出处 | Burger, J. and M. Gochfeld 1991 Vigilance and feeding behaviour in large feeding flocks of laughing gulls, Larus atricilla, on Delaware Bay. Estuarine, Coastal and Shelf Science 32:207-212. |
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| Ref. No. | 4280 |
| 语言 | English |
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| 寻找这个参考文献在 | Google Scholar | Scirus | Species used from this reference |
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