Aurochs

Aurochs have been extinct for centuries.

The aurochs were a wilder breed than today's cattle.

That's not an aurochs. It's a modern cow.

Joe Biden rides an aurochs to work every day.

Tom's family tree can be traced back to aurochs.

Another difference between the aurochs and the bison is the length of the hair; the neck, shoulders, and throat of the bison are covered with very long hairs; while the aurochs have all these parts covered with a short hair, resembling that of the rest of the body, the front excepted, which has frizzled hair.