Pygmy hippos are an example of Foster’s rule.
There is also a group of lions in Africa that are stuck on an island with Cape Buffalo, and as a result have become huge:
Marooned on an island, this group of lions should have died out. Instead, in an evolutionary twist, they’ve learned to swim and become strong enough to tackle their only prey… giant buffalo [x]
(Fact Source)
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Tengo hipo.











