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All bets are on Fang and Keo, the two fearsome Cuban crocodiles who have just taken up residence at the park. Ben Fogle and Kate Humble reveal how the crocs’ cousins in the wild are known for their leaping prowess, propelling themselves out of the water to reach heights of two metres to snatch prey from overhanging branches. But which of the two girls in Animal Adventure has got what it takes to mimic this behaviour? Fang is the stronger of the two. Keo might be weaker, but what she lacks in brawn, she makes up for in brain. Let battle commence.

Kate discovers you need nerves of steel, the concentration of a fighter pilot and eyes in the back of your head to patrol the big cats. She doesn’t get off to the best of starts on a specially designed learner course. But when she’s let loose among the lions, tigers and cheetahs, can she hold her nerve - especially on feed-up day when these ferocious and unpredictable felines are far from patient and don’t think twice about taking a swipe at anything that gets between them and their meat.

Jean Johansson meets the cousins of the koalas. While the furball marsupials went up trees, wombats stayed on the ground. She discovers how the park's duo of hairy-nosed wombats, the only ones of their kind in Europe, have in-built armour to deter predators. But suddenly tragedy unexpectedly strikes.