Animals roar for various reasons ... with low frequency loud tones and a final segment which sounds much like grunting. The lion's roar is familiar to many through its inclusion in the MGM ...

Most animals have triangular vocal cords but a lion’s are square and flat, which allows them to respond more easily to air passing through. This means a louder roar with less effort. A female ...

Well, there are a few problems there, too. Take that iconic lion roar. Sounds majestic, right? Just like the famous MGM roar. Here's the issue: A lion's roar doesn't sound like that. This is a roar.