Puffins are small seabirds that vary slightly in size depending on the species. The tufted puffin is slightly larger than the other species, weighing 18.3 to 35.3 ounces and measuring 14.2 to 15.8 ...

A closeup shot of an Atlantic puffin with a stick in the beak© Wirestock Creators/Shutterstock.com Atlantic puffins spend a surprising amount of time on two very domestic problems: keeping their ...