Followed for 5 years, from May 2021 to May 2026, across 1,828 recorded positions.
It ranged between 39°N and 72°N, never leaving the northern hemisphere.
The water and air it moved through ran from -6°C to 9°C.
It averaged 31.3 km a day, every day, across the whole tracking period.
It finished within 3 km of where it started, a round trip closed almost exactly.
Of the 320 species followed here, this animal covered more ground than 93% of them.