Followed for 1 year and 11 months, from June 2010 to May 2012, across 682 recorded positions.
It ranged between 64°N and 80°N, never leaving the northern hemisphere.
The water and air it moved through ran from -28°C to 6°C.
It averaged 84.1 km a day, every day, across the whole tracking period.
Its last fix was 1,016 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 93% of them.