The Trials of Life

Episode 05 - Finding the Way. This episode explores forms of navigation. Attenborough starts in Africa at dusk, by describing some of the species that don't rely on sight. The spotted hyena uses its acute sense of smell to guide it while it hunts nocturnally, while galagos urinate on their hands so they can completely mark their movements. Some animals useecholocation and these include swiftlets, bats and river dolphins. By contrast, electric eels use fields of electricity to sense their environment. During the hours of daylight, other methods are employed: the rufous elephant shrew, with its carefully cleared network of pathways, has a sharp mental picture of its habitat - even knowing the various shortcuts with which to evade capture. (from

Episode 05 - Finding the Way

Go to The Trials of Life Home or watch other episodes:

Episode 01 - Arriving
Episode 02 - Growing Up
Episode 03 - Finding Food
Episode 04 - Hunting and Escaping
Episode 05 - Finding the Way
Episode 06 - Home Making
Episode 07 - Living Together
Episode 08 - Fighting
Episode 09 - Friends and Rivals
Episode 10 - Talking to Strangers
Episode 11 - Courting
Episode 12 - Continuing the Line