| Αναφορά | Osa, Y. and Y. Watanuki 2002 Status of seabirds breeding in Hokkaido. Journal of the Yamashina Institute of Ornithology 33:107-141. |
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| Ref. No. | 5567 |
| Γλώσσα | English |
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| Βρες αυτή την αναφορά στο | Google Scholar | Scirus | Species used from this reference |
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