Skinny the harbor seal just turned 50—twice the typical lifespan of her species. Rescued as a pup in 1975, she now holds the ...

Harbor seals are about 5 to 6 feet long and can weigh up to 285 pounds. They are light tan, silver, or blue-gray with dark spots.

Other varieties, such as the bull seal, are much larger. Harbor seals are typically gray, silver, or white and often have black or white spots. Rare harbor seals will have a reddish body.

In Maine, we have two types of seals that live here year round — grey seals and harbor seals. At other times of year, it is possible to see additional species as well like harped or ringed seals.

The number of harbor seals born in the Koster Sea has more than halved since 2012. To understand why, researchers at the ...

Almost 600 harbour seals and 3,000 grey seals now live in the Thames Estuary, the Zoological Society of London (ZSL), which runs London Zoo, has revealed. Taking to the air and sea, ZSL conducted ...

In the Zoological Society of London (ZSL)'s 2021 survey 574 harbor seals, and 685 gray seals were counted on Thames sandbanks. These seals, combined with the estimated number of seals remaining in ...