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The unmistakable roar of the African lion -

African lions have roars that can be heard from miles away. Their powerful calls truly define the heart of the African wild.

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The growls of the clouded leopard -

The clouded leopard's soft, purring growls echo throughout Southeast Asia's forests.

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The howls of the siamang gibbons -

In the heart of the lush rainforests of Thailand, Malaysia, and Indonesia, siamang gibbons serenade with haunting calls that echo through the canopy.

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The cackling laugh of the spotted hyena -

One of the most well-known calls in the world, the spotted hyena lets off a sound that fills the night sky with a sense of danger and amazement.

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The cooing of the crowned pigeon -

In the heart of New Guinea, the crowned pigeon's cooing carries a sound you would associate with royalty. These birds make you feel as though you are in uncharted realms, where wilderness thrives.

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The howling of wolves -

A truly captivating sound if you should ever hear it. Ringing out across the forest, the collective howl of a wolf pack is spine-chillingly beautiful.

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The booming of the kākāpō -

In the tranquil landscapes of New Zealand, the kākāpō, the world's heaviest parrot, performs what is known as a boom during mating season. These calls create a symphony in the pristine wilderness and should be on any nature lovers must-hear list.

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The mighty screech of the tarsier -

Meet the tarsier, Southeast Asia's pint-sized tenor. Their high-pitched calls fill the jungle like delicate notes, a testament to the wonders of the Asian rainforests.

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The hauntingly beautiful call of the quetzal -

The quetzal's echoing calls in Central America whisper tales of ancient legends. Their vibrant colors and breathtaking songs make them living treasures.

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The guiding calls of the honeyguide -

In the heart of Africa, the honeyguide's calls are sought after by locals. The beautiful and melodic calls are said to tell stories of the savanna. The honeyguide is also a regular guide to honey, hence its name. Locals follow the birds around the wilderness in search of the sweet delicacy.

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The mesmerizing wails of gibbon apes -

Gibbon apes, with their unique howls, are the embodiment of the wilderness of Southeast Asia. The calls of the gibbons fill the rainforest with a sense of mystery and rugged wilderness.

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The crackling calls of the Montezuma oropendola -

The Montezuma oropendola dazzles with its distinctive songs in Central and South America. Their calls are amongst some of the most unique in the world.

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The trumpeting of an African elephant -

A sound like few others in the world: the sound of the biggest land mammal on earth calling through its trunk. The trumpet of an African elephant echoes throughout the savannas of Africa commanding respect.

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The majestic songs of the whales -

In the depths of the ocean, the sounds of great beasts ring out. Whale songs are amongst some of the most incredible sounds a human being can hear.

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The frightening cry of the howler monkey -

The howler monkey, with otherworldly cries, forms a living choir in Central and South America's lush jungles. Their calls are something that must be heard to be believed, and sound somewhat like a heavy metal band!

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The songs of the potoo bird -

Also known as the ghost bird, the songs of South America's potoo bird fill the night with enchantment. Their soft, haunting calls are enough to give you goosebumps as you walk through the Amazon rainforest.

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The moving and grooving sounds of the red-capped manakin -

In the heart of the Amazon, the red-capped manakin is known for more than just its beautiful song-like call. It also has one of the most unique mating rituals in the world, performing a moonwalk Michael Jackson would be proud of!

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The shrieking of the red ruffed lemur -

Madagascar's red ruffed lemur is famous for its hauntingly beautiful shriek. Its piercing eyes and unmistakable call make it a must-have on this list.

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The rhythm of the greater bird-of-paradise -

Papua New Guinea is home to one of the most beautiful birds in the world, the greater bird-of-paradise. Its call is like a little tropical symphony, full of whistles and chirps.

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The screech of the lesser short-nosed fruit bat -

The eerie calls of lesser short-nosed fruit bats pierce the night as they search for sweet treasures. These beautiful winged creatures embody the mysteries of the dark.

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The mesmerizing calls of the great argus pheasant -

Amidst the vibrant jungles of Southeast Asia, the captivating call of the great argus pheasant fills the air, enhancing the beauty of the tropical paradise where it lives.

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The chitter-chatter of Amazonian marmosets -

In the heart of the Amazon rainforest, the marmoset's musical chattering is a once-in-a-lifetime experience. Their calls create a lively soundtrack for the jungle.

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The unique call of the lyre-tailed nightjar -

The lyre-tailed nightjar graces South America, with its unique call echoing across the heart of the Amazon.

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The songs of the green-naped pheasant pigeon -

The green-naped pheasant pigeon adds charm to tropical paradises with its pleasant chattering. Its gentle cooing creates a soothing soundtrack to the lush greenery it calls home.

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The nocturnal serenity of the black-crowned night-heron -

The black-crowned night-heron's deep calls accompany moonlit explorations along the water's edge. These elegant birds are a living, breathing example of nocturnal tranquility.

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The beauty of the kiwi's call -

In New Zealand's solitude, the kiwi bird's bubbling calls fill the night, like a whispered secret in the dark. These tiny, flightless birds have a very unique call that needs to be heard to be appreciated.

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The mimicking act of the lyrebird -

The lyrebird, a feathered copycat, dazzles Australia with its songs. The lyrebird is capable of mimicking a number of sounds.

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The sound of the indri lemur -

Madagascar boasts the indri lemur, renowned for its almost human-like call. This unique primate song fills the island's forests, a true testament to the wonders of nature.

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The eerie call of a common loon -

Hauntingly beautiful, the most recognized call of the common loon is often referred to as the "wailing" call. It sounds like a long, eerie cry that starts soft, rises in pitch, and then ends abruptly.

Sources: (Animal Kooky) (BBC) (BuzzFeed)

See also: Weird and wonderful animals you've never heard of

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