Followed for 4 years and 9 months, from May 2016 to February 2021, across 1,609 recorded positions.
It ranged between 34°N and 47°N, never leaving the northern hemisphere.
The water and air it moved through ran from 5°C to 24°C.
It averaged 31.6 km a day, every day, across the whole tracking period.
It finished 51 km from where it started, roughly back in the same region.
Of the 320 species followed here, this animal covered more ground than 92% of them.