This is a sponsored article on behalf of ZSL London Zoo .
Forget the latest Marvel movie. London Zoo is where the superhero action's really at this summer.
Super speed. Super strength. And a pair of jaws you really don't want to mess with. The animal kingdom's got it all.
If you think you're expert enough to spot all of London Zoo's hidden superheroes, try your luck with this quiz. You could even win the chance to become a zookeeper for the day...
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