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Baby elephant swims for first time in Mara waters

Rob the Ranger captures a baby elephant experiencing its first swim in Mara waters.
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Elephants have 'conveyor belt’ teeth, dolphins grow theirs in layers like trees, while sharks have a never-ending supply - so why are we stuck with just 2 sets?

From baby teeth to ‘conveyor belt’ molars, here’s why humans—and other mammals –grow and replace their teeth in such ...