Enduringly popular, Puffins are perhaps our most iconic species of bird, and are the most immediately identifiable of seabirds with their decorative bills and clown-like gait. Yet when they take to the air they wheel and turn with great agility and underwater these stocky little birds use short specially adapted wings to propel themselves through the water in pursuit of small fish. Surprisingly little was known about Puffin ecology until recently thanks to their preferred breeding habitat being underground on remote islands or hard-to-reach coastlines. Now Euan Dunn discloses all we have...