>>44824
https://www.tinutulzimbrului.ro/en/product/reservation-of-bison-and-carpathian-fauna-dragos-voda/
I think this is the home page of the national park/bison reserve but they don't write the species, just that the first came from Polan.
Most likely it's European bison:
https://en.wikipedia.org/wiki/European_bison#Numbers_by_country
>Almost 100 free-roaming animals, as of 2019, population slowly increasing in the three areas where wild bison can be found: Northern Romania – Vânători-Neamț Natural Park,
This is the place.