Summary ⁵

The horse (Equus ferus caballus) is one of two extant subspecies of Equus ferus, or the wild horse. 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. Horses in the...

Sources and Credits

1. (c) Tony Wills, some rights reserved (CC BY-SA), uploaded by Tony Wills
2. (c) Natalie Melgoza, some rights reserved (CC BY-NC), uploaded by Natalie Melgoza
3. (c) Kim Cabrera, some rights reserved (CC BY-NC-ND), uploaded by Kim Cabrera
4. (c) Cedric Lee, all rights reserved, uploaded by Cedric Lee
5. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Equus_caballus

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