S34 Ep4: How Do Hippos Get Clean?

Aired: 5/11/2016 | 0:02:11 | Clip
When it comes to skin care, hippos need a little help. Unable to pick up a stick and scratch their own backs, they’ve gone into partnership with a fish called the barbell. Barbells nibble away all the ticks and parasites and on a hippo's skin. Their service even includes dental hygiene.

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