Forest of the Flying Snakes

S1, E1: The waters of the Kinabatangan River have passed over rapids, through hills, and into vast flood plains. We take a look at the river during an El Niño year, and the rains are late, spreading famine and relentless heat. Nature pulls no punches. From the unusual nesting practices of Hornbills, to the jungle skills of Orangutans, life rises to meet nature's challenges.