Setting a trap | The Hunt
A Darwin's bark spider sprays a 25 metre bridging line across a river. From this silken thread - which is the toughest natural fibre on the planet - she will suspend her web.
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The invasive chameleons of Hawaii | Earth's Tropical Islands
Invasive species like these chameleons are a threat to the native wildlfe of Hawaii.
Cockatoos | Australia: Earth's Magical Kingdom
A parrot finds a tree hollow to lay her eggs in, the hollow is dry and out of reach from predators. The cockatoos also want to use the hollow for nesting and fight the parrot.