Horses usually bolt at the first sign of a canine menace.
But this plucky filly decides to turn the tables on its pursuer.
When a Belgian Shepherd chases the 12-year-old half-breed, it fights back and tries to bite the playful dog's tail.
German photographer Lothar Lenz captured the unlikely game of chase on a stable-farm in Buchkoebel, just outside Frankfurt.
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The chase is on: The Belgian Shepherd decides it's time for some fun and games
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Uh oh! The playful dog realises he's in trouble as he turns round to look at the horse
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The tables are turned: The dog is now on the run as his pursuer tries to bite his tail
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You're not getting away that easily: The chase continues as the dog flees in the other direction