| Citación | Ryan, P.G., P.A.R. Hockey and A.L. Bosman 1987 The foraging behaviour of gray gulls at a sandy beach. Wilson Bulletin 99(2):271-273. |
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| Ref. No. | 4192 |
| Lengua | English |
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| Encuentre esta referencia en | Google Scholar | Scirus | Species used from this reference |
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