The first horses in North America would not have been able to hold their own in the Triple Crown . At just about 5.6 kilograms the Sifrhippus sandrae hoofed onto the scene some 56 million years ago about the size of a small dog. [More]
Read More »The first horses in North America would not have been able to hold their own in the Triple Crown . At just about 5.6 kilograms the Sifrhippus sandrae hoofed onto the scene some 56 million years ago about the size of a small dog. [More]
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