For 10 years, the scientist and photographer Jeroen Hoekendijk has been observing pinnipeds (seals, sea lions and walruses) on the fragile North Sea archipelago. Highly susceptible to warming and ...

Seals are semi-aquatic marine mammals. They’re also known as pinnipeds, which means ‘fin-footed’, referring to the large flippers they have for arms and legs. Combined with their streamlined, ...

A seal and sea lion may look similar, but their strengths differ dramatically when it comes to a real confrontation. Sea lions have superior speed, agility, and aggression, giving them a major edge.

Australia's sea lion population has had a tough winter with rising pup mortalities amid the algal bloom, but dedicated ...