What's the most terrifying sound made by an animal? It's worse than the roar of a lion

Perhaps surprisingly, it's not the roar of the lion. Animals panic when faced with these recordings.

The Worst Idea: Babalugats goes long on ROAR (1981)

What's the most terrifying sound made by an animal? It's worse than the roar of a lion

Using Real, Untrained Lions in the Melanie Griffith Movie 'Roar' - Rolling Stone Australia

What animal has the most intimidating roar? - Quora

Animals are more scared of humans than lions, study shows

Top 10 Loudest Animals - Hush City Soundproofing Calgary's Top Soundproofing Experts, Commercial and Residential Applications

What exactly makes the lion the king of the jungle? I'm not even sure lions are the strongest animals. - Quora

The Truth About Lions, Science

What's the most terrifying sound made by an animal? It's worse than the roar of a lion

Lion: The Rise and Fall of the Marsh Pride, Episode 1

Who would win in a fight between a lion and a grizzly bear? - Quora

Sperm Whales Are Loud Enough to Burst Your Eardrums, Nature and Wildlife