Davina Mccall: Life at the Extreme: Costa Rica - Wet

Davina travels to the Costa Rican jungle, which is one of the wettest and most humid places on earth, but is a habitat in which animals thrive and is home to around 500,000 species. She learns about the ways in which creatures including sloths, poison dart frogs, tarantulas, tapirs, fer-de-lance vipers, common basilisks and spider monkeys have adapted to the conditions, before spending a night high up in the treetops of the rainforest - where a lightning striking directly overhead forces an abrupt change of plans