Evolution has robbed us of horse-sized bunnies

The size of rabbits and hares has long been evolutionarily constrained by competitors roughly their size.

Credit: zcy/Gabi Moisa/Adobe Stock/Big Think
  • Rabbits, hares, and pikas are not as varied in size as other similar animals such as rodents, which can be both far bigger and far smaller.
  • Scientists at Kyoto University examined the fossil record to figure out why.
  • They found that the smallest hoofed mammals always predict the size of the largest rabbits.
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