LIVE: Seattle Aquarium Harbor Seal Cam 2 – The average longevity for wild harbor seals is eight years for males and 10 years for females. But that average includes high mortality rates in the first few years. Wild harbor seals that survive those critical times can live into their 20s.
We don’t know for sure what the record is for the oldest harbor seal under human care but, as of 2014, a female at Cleveland was still going strong at the age of 48!
Live Streaming Video: LIVE: Seattle Aquarium Harbor Seal Cam 2