Walrus Rests on Ice

Walruses use sea ice as platforms on which to nurse their young and launch their dives for clams and other bottom-dwellers. Each spring, walruses move northward to stay close to these perches as ice melts in the south. But as more and more sea ice melts because of climate change, they may not have as many perches to stay near.


Capt. B. Christman, NOAA