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Antarctic orca in New Zealand waters?

 

作者: IngridN. Visser,  

 

期刊: New Zealand Journal of Marine and Freshwater Research  (Taylor Available online 1999)
卷期: Volume 33, issue 3  

页码: 515-520

 

ISSN:0028-8330

 

年代: 1999

 

DOI:10.1080/00288330.1999.9516896

 

出版商: Taylor & Francis Group

 

关键词: Orcinus orca;New Zealand;Antarctic;pigmentation;dorsal cape;eye patch;migration;photo‐identification

 

数据来源: Taylor

 

摘要:

I report on a group of orca (Orcinus orca(Linnaeus, 1758)) near the Bay of Islands, New Zealand, which were a lighter coloration than orca usually seen in these waters. Differences in pigmentation included a light grey caudal peduncle area and a dorsal cape, which has previously only been described for Antarctic orca. The size and shape of the eye patches were not consistent with orca photo‐identified in New Zealand. I suggest that this group of orca, although observed in New Zealand waters, were of Antarctic origin.

 

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