Leopard seals sing like the Beatles

Popular Science 

A concert is raging underneath the sea ice. But will we drown it out? Breakthroughs, discoveries, and DIY tips sent every weekday. Earth's oceans have always been a wild world of sound . A symphony of chatter between creatures, rain hitting the surface, the boom of calving ice, the thunders of waves and fizz of bubbles, the rumble of undersea earthquakes, and even mysterious quacking sounds .