Followed for 1 year and 1 month, from September 2002 to October 2003, across 200 recorded positions.
It ranged between 57°N and 77°N, never leaving the northern hemisphere.
The water and air it moved through ran from -23°C to 6°C.
It averaged 30.2 km a day, every day, across the whole tracking period.
It finished 404 km from where it started, roughly back in the same region.
Of the 320 species followed here, this animal covered more ground than 62% of them.