Underwater vocalisations in penguins captured for the first time

It has long been suspected that penguins make noises underwater, but it has never actually been proved. Now an accidental discovery has shown that it does in fact happen across multiple species. Penguins are known amongst researchers as one of the noisiest seabirds on the planet. On land they are constantly calling to one another … More Underwater vocalisations in penguins captured for the first time