Cuvier's beaked whales have a cosmopolitan distribution and can be found in most oceans and seas worldwide. Most of the distribution information is based on stranding records. The seasonality and migration patterns of this species are not known. Recent genetic diversity studies indicate that Cuvier's beaked whales generally remain in their "home" ocean basins, which may create well-defined populations. In the Northern Hemisphere, they are known to occur near the Aleutian Islands, Bay of Biscay, British Columbia, Canada, Gulf of California, Gulf of Mexico, Massachusetts, Mediterranean Sea and the Shetlands. In the Southern Hemisphere, they are known to occur near New Zealand, South Africa, and Tierra del Fuego. They have also stranded in tropical environments such as the Bahamas, Caribbean Sea, Mediterranean Sea and the Galapagos Islands.
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