Puffins live on the open ocean,the eastern of Canada. Puffins live over 20 years. Puffins have webbed feet that help them swim. Adult puffins are about 10 inches long and weigh less than half a pound. Puffins weigh 17.5 oz and they are carnivores. Puffins are adapted to living on the open sea. April to mid-August is a puffins breeding season. 60% of all puffins live near ice land. The oldest known puffin to be alive is 36 years old. Female puffins lay one egg a year.