Followed for 2 years and 1 month, from May 2007 to June 2009, across 49 recorded positions.
It ranged between 58°N and 71°N, never leaving the northern hemisphere.
The water and air it moved through ran from -3°C to 6°C.
It averaged 19.5 km a day, every day, across the whole tracking period.
It finished 106 km from where it started, roughly back in the same region.
Of the 320 species followed here, this animal covered more ground than 69% of them.