Arnoux’s beaked whales are marine, open ocean dwellers, but they have also been seen in association with Antarctic sea ice and occasionally in shallower coastal waters. Their northern congener, Berardius bairdii, prefers deeper water where they dive to 1000 m to feed. Actual diving depths of B. arnuxii have never been recorded, but dive times of an hour or more indicate that they too may dive to depths of 1000 m.
Habitat Regions: polar ; saltwater or marine
- Kasuya, T. 1986. Distribution and abundance of Baird's beaked whales off the Pacific coast of Japan. Reports of the International Whaling Commission, 37: 61-83.
- Stevick, P., B. McConnell, P. Hammond. 2002. Patterns of Movement. Pp. 186-216 in A Hoezel, ed. Marine Mammalogy Biology - an Evolutionary Approach. Oxford, UK: Blackwell Science.
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