Roaring African lions may be heard miles away. They embody the African wild with their loud calls.
In the lush rainforests of Thailand, Malaysia, and Indonesia, siamang gibbons sing eerie sounds over the canopy.Spotted hyena cackles
The spotted hyena's world-famous call fills the night sky with danger and awe.Spotted hyena cackles
In central New Guinea, the crowned pigeon coos like royalty. These birds make you feel like you're in a wild place.
The music is mesmerizing if you hear it. The howl of a wolf pack is terrifying and wonderful.
In the calm New Zealand countryside, the kākāpō, the world's biggest parrot, performs a boom during mating season. These calls sound like a symphony in the forest and should be heard by nature lovers.
The clouded leopard's purring growls fill Southeast Asian woods.