far surpassing the lifespan of a seal in the wild and possibly being the oldest in captivity. “Reaching 50 is a huge ...

A spokeswoman confirmed that Donut, who was born in captivity, died due to anaesthesia complications which led to heart failure. Tests which examine the seal’s tissue will be conducted.

Harbor seals have a life span of around 25 years in the wild and can live for about 30 years in captivity. For more than 10 years, Satsuki has used a pail to seek food. But it was only last year ...