Adult, Alcidae, Alternate Plumage, Animal, Atlantic Puffin, Bird, Breeding Plumage, Britain, Color Photograph, Common Puffin, Day, Displaying, Europe, Fratercula arctica, Fratercula arctica grabae, Fratercula sp, Front View, Full Length, Great Britain, Head-flicking, Island, Least Concern, National Nature Reserve, National Reserve, Nobody, Nuptial Plumage, One Animal, Outdoors, Pembrokeshire, Puffin, Seabird, Skomer Island, Skomer Island National Nature Reserve, Social Nodding, UK, United Kingdom, Vertical, Wales, Wildlife