sea lions

Cameras reveal the underwater life of the sea lions of Yam Island, off the Magadan coast.

Bad weather preventing clean up amid fears for endangered sea lions.

But seals prove more adept at undertaking polar missions, including potentially killing intruders, say experts.

180 metre-long causeway built in sea to reach stricken tanker to prevent more pollution.

So far 60 birds saved but they are so thickly covered in oil they cannot fly or swim.

But how did they get to landlocked Kurgan region, 2,400 kilometres from the nearest ocean?

Rescued birds die despite efforts to clean them after major slick from tanker on coast of Sakhalin.

Oil slicks, sewage, industrial waste and rubbish floating sea is harming wildlife and could lead to marine crisis.

Geysers, active volcanoes, thermal lakes, mountains, Pleistocene glaciers, cascading rivers... and a lot of bears!