Followed for 11 months, from May 2010 to April 2011, across 472 recorded positions.
It ranged between 59°N and 68°N, never leaving the northern hemisphere.
The water and air it moved through ran from -9°C to 10°C.
It averaged 44.1 km a day, every day, across the whole tracking period.
It finished 111 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.