Two metre long Monitor Lizards scour the shallows for frogs and small fish and dig up the nests of crocodiles to prey on their eggs.

• 居住在阿玛逊的巨型水獭，喜欢在水流缓慢的河流活动，因为那里的环境最为有利于牠们的饮食习惯和身体构造。