Followed for 1 year, from July 2012 to June 2014, across 123 recorded positions.
It ranged between 37°N and 66°N, never leaving the northern hemisphere.
The water and air it moved through ran from 1°C to 13°C.
It averaged 22.8 km a day, every day, across the whole tracking period.
It finished within 19 km of where it started, a round trip closed almost exactly.
Of the 320 species followed here, this animal covered more ground than 72% of them.