ELEUTERI: So if I'm correct, I think that the one who's roaring - so you can hear that very deep roar - that's Doma. And the trumpet should be Mainos.

That first elephant roar sounded close. But I was so focused on the settings on my recorder that I didn't bother to look around.The second roar sounded a lot closer. I thought, this is so cool!What I ...

That first elephant roar sounded close. But I was so focused on the settings on my recorder that I didn’t bother to look around. The second roar sounded a lot closer. I thought, this is so cool!

The trumpeting roar of an elephant is loud. But scientists living with herds in the forests of central Africa say the deep rumbles that humans can't hear, but can feel, carry crucial messages, too.