Apr 22, 2025

8 monkeys, apes, and lemurs that make the loudest and scariest sounds

Aakanksha Sharma

Scariest howls and sounds

Monkeys and great apes are some of the most distinct animals on Earth. From their arboreal homes to their antics resembling humans, these animals are precious and unique. And here we mention 8 monkeys and great apes that make the loudest and weirdest sounds and calls.

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Howler monkey

The monkey with one of the oddest, loudest, and shrillest calls is the Howler monkey. They are one of the loudest land animals on Earth, and have a booming voice with deep echoes in their call.

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Agile gibbons

Another animal with super loud and distinct calls are the agile gibbons. They are much smaller in size but have a loud and powerful voice that would sound like a shriek to a person unknown to their call. Some even describe their calls as chilling and scary.

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Siamang

Another large gibbon with a loud and tough call is the Siamang. These animals have a unique throat sac that inflates like a balloon when they call, and their calls are deep and loud, and can be heard from great distances.

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Chimpanzee

One of the most intelligent and social animals, the Chimpanzee too has a loud and distinct call that not many people would have heard. Chimpanzee calls are a mix of hoots, grunts, pants, and laughing noises.

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Spot-nosed monkey

The spot-nosed monkey, also known as putty-nosed monkeys, are one of the most adorable monkeys in the wild. They too have loud and distinct calls that sound like a repetition of ‘boom hoom’.

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Indri Lemur

Another animal with weirdly loud, and haunting calls is the Indri lemurs. Their calls sound like scary wails and can be heard from great distances.

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Orangutan

While Orangutans are generally quiet, when the males want to be heard, they deliver what’s called a ‘long call’. These calls are a mix of low grumbles and loud bellows, and are used for different purposes.

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Silvery gibbon

The silvery gibbon, found only on the island of Java in Indonesia, is known for its haunting song. The calls of these animals sound like 10 ambulances have gathered together in different ranges, and it is a mix of weird and scary.

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Thanks For Reading!

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