Followed for 8 months, from September 2013 to May 2014, across 199 recorded positions.
It ranged between 65°N and 75°N, never leaving the northern hemisphere.
The water and air it moved through ran from -28°C to -3°C.
It averaged 32.2 km a day, every day, across the whole tracking period.
Its last fix was 1,392 km from its first, so the track we have is a one-way journey rather than a closed loop.
Of the 320 species followed here, this animal covered more ground than 54% of them.