Nest build fresh nests daily out of leaves and other vegetation in which they sleep at night. They sometimes also build nests during the day for resting in. The smaller species of gorilla build their nests in trees, while the larger are confined to the ground. Nests of the western gorilla, the largest species, measure about in diameter. Some species of frog build nests ranging from simple to modest complexity. Many stream-dwelling frogs lay their eggs in a gelatinous mass which they attach to underwater vegetation. The jelly structure prevents the eggs from washing away. Fish engage in nest building activities
To Build a Fire the man falls into a frozen-over river. In order to save himself, he scrambles to build a fire but is too busy worrying about his health to notice the mistake of building a fire underneath a tree which has collected an enormous amount of snow. After the first fire is put out, his desperation becomes more defined as he seemingly will do anything to survive, including attempting to kill his dog for warmth and using all his matches at once in a final attempt to light his last fire. His desperation for survival and his fear of death cause his