Puffins are seabirds in the alcid family that live in the North Atlantic and North Pacific oceans. They have black and white plumage, short legs, and colorful bills. Puffins are 11-13 inches long, have a 21-24 inch wingspan, and weigh around 17.5 ounces. They live in coastal areas, eat small fish and crustaceans, and breed in large colonies during spring and summer months.