| Citation | Brzezi?ski, M, J. Romanowski, L. Kopczy?ski and E. Kurowicka, 2006, Habitat and seasonal variations in diet of otters, Lutra lutra in eastern Poland.. Folia Zool. 55(4):337-348. |
| Ref. | 85087 Brzezi?ski, M, J. Romanowski, L. Kopczy?ski and E. Kurowicka, 2006 |
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| Named Used as Valid | Perca fluviatilis |
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