From June to August, B. bairdii can be found in warm waters near Japan and California and near British Columbia in September. In the fall, the whales migrate north towards the Bering Sea and spend their winters in cold water near the Aleutian islands. This may be due to seasonal distribution of squid. They prefer deep water, beyond the 1000 meter line (Minasian,S.,K Balcomb, III and L Foster, 1984. Watson, L. 1981).
Aquatic Biomes: coastal
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