The snowy owl is normally found in the coldest regions of North America. Every three or four years, however, snowy owls appear in large numbers in towns all across the United States. Animal behaviorists believe the periodic owl migrations are due to changes in the owls’ food supply. Snowy owls feed heavily on lemmings migrate every three to four years in search of food. When the lemmings leave the cold northern regions, so do the owls. Unfortunately snowy owls are becoming increasingly rare, in part because hunters often shoot them when they show up in large numbers.Purpose: _____________Tone: _________.a. Emotionally neutralb. Enthusiasticc. Ironic