Watch the full episode of Can Animals Predict Disaster? online now.

We've all heard them: the tales of dogs barking before the big earthquake hit; wildlife behaving strangely before the big hurricane; earthworms pouring out of the ground just before the big flood strikes. Tall tales ... or true?

In interviews with scientists and eyewitnesses, NATURE probes the evidence that some animals may have senses that allow them to predict impending natural disasters long before we can.