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The Loudest Mammal on Earth Woke Me Up in the Jungle (Howler Monkey) | Smartest Year Ever (June 21, 2025)
While camping deep in the Belizean jungle, Gordy was jolted awake by a terrifying roar—a sound so intense it felt prehistoric. But it wasn’t a jaguar or dinosaur. It was a howler monkey, the loudest land mammal on Earth.
In today’s episode of Weird Animals Week, Gordy shares exclusive footage he filmed from inside his tent, and investigates how a monkey the size of a housecat evolved to roar like a beast from Jurassic Park.
From built-in subwoofers in their throats to wild trade-offs in evolution, this is one of the weirdest (and loudest) stories nature has to offer.
📢 Don’t forget to like, follow, and share if you want more strange animal science every day.
Sources:
Dunn, J. C., et al. (2015). Evolutionary trade-off between vocal tract morphology and testes size in howler monkeys. Current Biology, 25(22), 2839–2844. https://doi.org/10.1016/j.cub.2015.09.029
Kitchen, D. M., et al. (2003). Vocal frequency and related anatomy in howler monkeys. American Journal of Physical Anthropology, 120(2), 184–188.
National Geographic. (n.d.). Howler Monkey Facts.
Cornell Lab of Ornithology. (n.d.). Macaulay Library Audio Archives.
BBC Earth. (n.d.). Howler monkeys: The loudest land animal.
#AnimalFacts #HowlerMonkey #animalsounds #belize #WeirdAnimals #biologyfacts #wildnature #DailyFacts #DidYouKnow Music thanks to Zapsplat.
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By GordyWhile camping deep in the Belizean jungle, Gordy was jolted awake by a terrifying roar—a sound so intense it felt prehistoric. But it wasn’t a jaguar or dinosaur. It was a howler monkey, the loudest land mammal on Earth.
In today’s episode of Weird Animals Week, Gordy shares exclusive footage he filmed from inside his tent, and investigates how a monkey the size of a housecat evolved to roar like a beast from Jurassic Park.
From built-in subwoofers in their throats to wild trade-offs in evolution, this is one of the weirdest (and loudest) stories nature has to offer.
📢 Don’t forget to like, follow, and share if you want more strange animal science every day.
Sources:
Dunn, J. C., et al. (2015). Evolutionary trade-off between vocal tract morphology and testes size in howler monkeys. Current Biology, 25(22), 2839–2844. https://doi.org/10.1016/j.cub.2015.09.029
Kitchen, D. M., et al. (2003). Vocal frequency and related anatomy in howler monkeys. American Journal of Physical Anthropology, 120(2), 184–188.
National Geographic. (n.d.). Howler Monkey Facts.
Cornell Lab of Ornithology. (n.d.). Macaulay Library Audio Archives.
BBC Earth. (n.d.). Howler monkeys: The loudest land animal.
#AnimalFacts #HowlerMonkey #animalsounds #belize #WeirdAnimals #biologyfacts #wildnature #DailyFacts #DidYouKnow Music thanks to Zapsplat.