Alligator-like caimans are causing huge problems in Rio de Janeiro, giving Olympic organisers a bit of a headache.
Up to 6,000 of the large lizards are thought to be living in a huge lagoon system within the city.
Rio has been chosen to host the next Olympic Games in 2016 but the caimans have started living close to the Olympic village, which is where all the athletes will stay during the Games.
Experts think that the caimans have been attracted to the lagoon because pollution has warmed up the water.
Caimans are usually about five feet (1.5m) long but some of the older males can grow to twice that size.
Olympic athletes shouldn’t be worried however, as luckily caimans aren’t considered to be a danger to humans. They’re smaller and less aggressive than alligators or crocodiles.
Article written by Editor
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