bison), B. antiquus was considerably larger and had longer limbs, with the upper limbs being more slender while the lower limbs were more robust. The skull was also somewhat more elongate and less domed than that of American bison. It reached up to 2.27 m tall, 4.6 m long, and a weight of 1588 kg, with an average of around 800 kg. The horns were also considerably larger than those of living American bison and differed somewhat in shape, being on average across tip to tip, but could be as much as across.

Ecology

Unlike living

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