The decline and recovery of the European wolf population from 1800 to 2018 (no data for Russia and Belarus).
c/map_enthusiasts · u/garfaagel@sh.itjust.works · 3 points
Map is a bit confusing since it has no data for Russia and Belarus, but there are wolves there. Here is another map with population numbers as well:

Also, pretty infographic about wolves from the same source:

