With sea ice receding year after year,  the walruses are forced to rest on crowded, tiny beaches. Those beaches are so overcrowded, he says, that some of the walruses scale cliffs for a bit of peace. But when the lumbering animals, unaccustomed to climbing or to heights, decide to return to the water, they wander right off the edge of the cliffs to their horrible deaths.I feel very heartache. I hope every dead creature is as strong as a water bears