Smithsonian Institution, Center for Folklife and Cultural Heritage, Ralph Rinzler Folklife Archives and Collections, 600 Maryland Ave., S.W., Suite 2001, Washington ...

The animal sound man, as he is known online, can do up to 15 extraordinarily convincing impersonations of birds and animals. Check it out!

OK, you're deep in what seems to be a steamy tropical jungle — a voyeur on some sort of intrepid safari, judging by the hats. Men are speaking what sounds a bit like Spanish, maybe Portuguese, and you ...

Polar guide Havard Festo, producer Jonnie Hughes and cameraman Jamie McPherson during the filming of ‘The Hunt’ (Jason Roberts/BBC) How can you tell if a polar bear is approaching by stealth? Listen ...