One real tracked animal · Other
Wels
Silurus glanis
652 km tracked over 1,580 days.
Followed for 4 years and 4 months, from May 2014 to September 2018, across 462 recorded positions.
It ranged between 51°N and 51°N, never leaving the northern hemisphere.
The water and air it moved through ran from 6°C to 19°C.
It averaged 0.4 km a day, every day, across the whole tracking period.
It finished 53 km from where it started, roughly back in the same region.