
Horses originated here in North America. Ancestors of today’s horses migrated to Europe, Asia, and Africa but were frozen out here by the last ice age. Then horses came back. The thundering herds of Western yore started up from the escaped steeds of Spanish explorers and soldiers. Permafrost preserved remains of the ancient Yukon horse – the last horse of prehistory to live in North America – and, much to the surprise of researchers, DNA samples established that it was essentially identical, genetically, to both feral and domesticated modern horses. (more…) Continue Reading →