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"With smaller, more rounded ears than a red fox, Arctic foxes have the warmest fur of any mammal – thick and lush to protect them from the bitter cold. Their furry feet pads are also designed for life in the Arctic; not only providing a layer of insulation but also giving extra traction on the ice." www.bradtguides.com
The fennec fox (Vulpes zerda) is a small nocturnal fox found in the Sahara of North Africa. Its most distinctive feature is unusually large ears. The name “fennec” comes from the Arabic word for fox, and the species name zerda has a Greek origin that refers to its habitat.