… found in permafrost from Yukon, Canada reveals woolly mammoths roamed the … from the Klondike region of Canada’;s Yukon in the … , this makes the horse a native North American mammal, and it …… found in permafrost from Yukon, Canada reveals woolly mammoths roamed the … from the Klondike region of Canada’;s Yukon in the … , this makes the horse a native North American mammal, and it …