The video above from National Geographic and BAFTA Award-winning cinematographer Bertie Gregory releases "unprecedented footage of Emperor penguin chicks leaping 50 feet off an Antarctic cliff.

Gregory succeeded spectacularly in capturing behaviors never before filmed, including footage of hundreds of young emperor penguins entering the sea by “BASE jumping” off a 50-foot cliff.

I was wrong.” (Why are these emperor penguin chicks jumping from a 50-foot cliff?) “Secrets of the Penguins” premieres April 20 on National Geographic and streams the next day on Disney+ and ...