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Hippos are not usually known for their subtlety but this hulking beast appears to be using stealth techniques while he sets his sights on his prey.
The large mammal submerged itself before seemingly gliding gracefully head first out of the water.
For a moment, its large head appeared camouflaged in the brown water and even looked more like a stalking crocodile than a cumbersome hippo.
In the event, its 'prey' was a nearby boat full of sight-seers which quickly made off when the skipper finally spotted the creature from the deep.