Friday, November 23, 2007

Life spans of wild sea mammals

Here is a list of life expectancy averages for wild sea mammals. The life expectancy for captive sea mammals is much shorter, up to 1/3 of the expectancy for sea mammals living in the wild.

Orcas: Average

  • Female 50 years - maximum 80-90 years
  • Male 30 years - maximum 50-60 years

Bottle nose Dolphin: Average

  • Female and Male 30-45 years

Manatee: Average

  • Female and Male 50-60 years

Sea Otters: Average

  • Female and Male 10 years
    In captivity the oldest otter was 23 years old.

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