Catalan Ur (bòvid) Cited by user Jaumellecha on 24 Oct 2023 L'ur (Bos primigenius) és una espècie de boví extinta, considerada com l'avantpassat salvatge del bou domèstic modern.
English Aurochs Cited by user BhagyaMani on 02 Jan 2022 The aurochs (Bos primigenius) is an extinct cattle species, considered to be the wild ancestor of modern domestic cattle.