The Loudest Animals On Earth

[00:00:00]Only 1% of people can name the loudest animal on Earth. Can you? Hit subscribe before number one blows your mind.

[00:00:08]The lion's roar can carry up to 5 mi across the savanna. Up close, it pushes over 110 decibels, [music] among the loudest of land mammals. A massive larynx and a flexible hyoid bone supercharge that thunder. Low booming frequencies cut through wind, trees, and distance. Meet the loudest land animal, the howler monkey. Males blast calls nearing 130 decibels at a meter. An enlarged hollow hyoid sac works like a built-in megaphone. Dawn choruses map territory across the rainforest canopy.

[00:00:42]Tiny bodies, huge sound. Cicadas can top 100 decibels. They vibrate drum-like [music] timbals, hundreds of clicks per second. In swarms, the chorus rivals [music] a roaring motorcycle.

[00:00:55]Males call. Females answer with a snap, an acoustic conversation.

[00:01:01]As heat rises, the soundtrack of summer swells.

[00:01:05]Dive deep for the ocean's powerhouse, [music] the sperm whale. Its focused clicks exceed 230 decibels underwater, reference to 1 micro Pascal. Each click is sonar, probing the dark at over 1,000 m.

[00:01:21]A vast spermaceti organ [music] helps beam and focus the sound. As whales close on prey, clicks compress [music] into rapid buzzes. To rivals, it's a message. To squid, it's doom. But the blue whale holds the crown [music] for distance. Its low-frequency moans reach about 188 decibels re 1 micro Pascal.

[00:01:43]Those bass notes can travel hundreds of miles through deep sound channels. Calls help find mates and keep [music] distant giants in touch. Researchers trace these voices like ripples across ocean basins.

[00:01:54]In quiet seas, one call can [music] blanket the horizon. The planet's biggest animal speaks in earth-shaking whispers. Nature's loudest voices shape forests and oceans alike. Subscribe for more wild facts, and maybe turn the volume down.