David's Deer

You might mistake the David deer for a red deer. But when you look at its antlers, you’ll start to wonder—they look as if they’re attached to its head the wrong way around! The tips of the antler beams actually point backward
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This deer would have been extinct long ago had it not been preserved in the first zoo in history, the “Park of Intelligence” in Beijing. As a swamp dweller, it has particularly wide hooves that can spread far apart; together with elongated hind claws, these prevent it from sinking too deeply into the mud.