Followed for 2 years and 4 months, from April 2018 to August 2020, across 351 recorded positions.
It ranged between 52°N and 61°N, never leaving the northern hemisphere.
The water and air it moved through ran from 8°C to 21°C.
It averaged 32.6 km a day, every day, across the whole tracking period.
It finished within 1 km of where it started, a round trip closed almost exactly.
Of the 320 species followed here, this animal covered more ground than 84% of them.