"The European bison (Bison bonasus), also known as wisent[a] (/ˈviːzənt/ or /ˈwiːzənt/), zubr[b] (/zuːbr/), or the European wood bison, is a Eurasian species of bison. It ...
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is one of two extant species of bison, alongside the American bison. Three subspecies existed in the recent past, but only one, the nominate subspecies (B. b. bonasus) survives today. Analysis of mitochondrial genomes and nuclear DNA revealed that the wisent is theoretically the result of hybridisation between the extinct Steppe bison (Bison priscus) and the ancestors of the aurochs (Bos primigenius) since their genetic material contains up to 10% aurochs genomic ancestry; the possible hybrid is referred to informally as the Higgs bison, a play-on-words in reference to the Higgs boson. Alternatively, the Pleistocene woodland bison has been suggested as the ancestor to the species." - (en.wikipedia.org 09.03.2020)
