Earthsounds

In ancient woodlands, a crocodile relies on sound to protect her babies, koalas release powerful roars, and an enchanting frog choir communes.

In one of the richest soundscapes, howler monkeys attempt to out-voice each other and sloths break their silence to search for mates.

Predators listen for frantic footsteps, cocktail ants craft a battle cry, and lions embrace the transformative power of rolling rain and thunder.

Silence may seem golden in the desert, but secret sounds connect curious meerkats—and tip off eavesdropping predators like cobras and eagles.

In North Americas forests, a snowy game of hide-and-seek unfolds between foxes and voles. When seasons change, elk strike up a sonic rivalry.

New technology reveals a raucous symphony of pops and squeaks in an underwater amphitheater full of flirtatious fish and graceful manatees.