The Cuvier's beaked whale typically has a social group of 2 to 5 individuals. The groups which are observed around our islands are usually composed of one or two males accompanied by several females with or without their young. They are found in the waters of all 5 of Polynesia's archipelagoes.
The Cuvier's beaked whale holds the deep-diving record for marine mammals: In 2011, a tagged Cuvier's beaked whale dove to 2,992 meters, which is the deepest recorded dive by any mammal.
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