Followed for 2 years and 10 months, from July 2002 to May 2005, across 319 recorded positions.
It ranged between 35°N and 70°N, never leaving the northern hemisphere.
The water and air it moved through ran from -10°C to 12°C.
It averaged 40.4 km a day, every day, across the whole tracking period.
Its last fix was 2,882 km from its first, so the track we have is a one-way journey rather than a closed loop.
Of the 320 species followed here, this animal covered more ground than 90% of them.