WHALE VALLEY (Wadi Al-Hitan, Egypt)
The dramatic landscape of Wadi Al-Hitan in Egypt's Western Desert is known as "Whale Valley" for its fossil evidence of the evolution of whales from land-based to ocean-going mammals. The many high-quality fossils allow paleontologists to observe transitional fossils of archaeocetes (the now-extinct "ancient whales") in the process of losing their hind legs.
(Image courtesy Wikimedia Commons; CTTO)
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