Followed for 5 years and 3 months, from June 2017 to September 2022, across 1,784 recorded positions.
It ranged between 43°N and 51°N, never leaving the northern hemisphere.
The water and air it moved through ran from 3°C to 22°C.
It averaged 6.7 km a day, every day, across the whole tracking period.
It finished within 6 km of where it started, a round trip closed almost exactly.
Of the 320 species followed here, this animal covered more ground than 65% of them.