Followed for 1 year and 10 months, from August 2017 to May 2019, across 475 recorded positions.
It ranged between 54°N and 66°N, never leaving the northern hemisphere.
The water and air it moved through ran from -22°C to 8°C.
It averaged 93.3 km a day, every day, across the whole tracking period.
It finished 259 km from where it started, roughly back in the same region.
Of the 320 species followed here, this animal covered more ground than 94% of them.