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The hippo is one of world's most aggressive animals and can kill with one snap of its powerful jaw.
Visitors to the zoo where both animals live were amazed to see the zebra craning its neck into the mouth of the water-loving mammal.
But their surprise increased when they realised the striped creature was cleaning the hippo's teeth
The extraordinary spectacle was captured by Jill Sonsteby, a photographer, at Zurich Zoo, in Switzerland
Originally posted by avatar01
Animals can communicate with each other more than we think. It is almost like a form of telepathy. We humans have the same ability but we cut ourselves off from it and use verbal/written language instead.
Cute photo.