
The horse is one of two extant subspecies of "Equus ferus". It is an odd-toed ungulate mammal belonging to the taxonomic family Equidae. The horse has evolved over the past 45 to 55 million years from a small multi-toed creature into the large, single-toed animal of today. Humans began to domesticate horses around 4000 BC, and their domestication is believed to have been widespread by 3000 BC.
Similar species: Odd-toed Ungulates
By kimcaff
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Uploaded Jun 4, 2014. Captured Jun 9, 2013 09:10.
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This particular photo is in the grey area, I'll keep it for now, but I just wanted to let you know the policy. Posted 11 years ago