The duck that doesn't stop eating 🦆 The eider duck (Somateria mollissima) is often described as the toughest duck in the world, but with the amount it eats a day, it could also be called the greediest! Meet the animals inhabiting our fragile frozen worlds. This is life on thin ice. ❄️ #FrozenPlanet2 Tap the link in our bio to find out where to watch 👆 . . . . #BBCEarth #FrozenPlanet #EiderDucks #DavidAttenborough #Nature