Followed for 2 years and 11 months, from February 2007 to December 2009, across 314 recorded positions.
It ranged between 54°N and 62°N, never leaving the northern hemisphere.
The water and air it moved through ran from 1°C to 13°C.
It averaged 9.6 km a day, every day, across the whole tracking period.
It finished within 11 km of where it started, a round trip closed almost exactly.
Of the 320 species followed here, this animal covered more ground than 59% of them.