https://www.researchgate.net/publication/330546518_Spatio-temporal_distribution_of_European_bison_Bison_bonasus_L_in_Poloniny_National_Park_East_Carpathians_Slovakia
https://en.wikipedia.org/wiki/European_bison#Reintroduction
https://en.wikipedia.org/wiki/List_of_mammals_of_Kyrgyzstan#Order:_Artiodactyla_(even-toed_ungulates)
https://www.researchgate.net/publication/330546518_Spatio-temporal_distribution_of_European_bison_Bison_bonasus_L_in_Poloniny_National_Park_East_Carpathians_Slovakia
https://en.wikipedia.org/wiki/European_bison#Reintroduction
https://en.wikipedia.org/wiki/List_of_mammals_of_Kyrgyzstan#Order:_Artiodactyla_(even-toed_ungulates)