Smithsonian Institution
National Museum of Natural History: Tufted Puffin
This Smithsonian website has a brief, but thorough, article on the Tufted Puffin. It also includes pictures and an extensive quote from 19th Century naturalist Edward Nelson.
Monterey Bay Aquarium
Monterey Bay Aquarium: Tufted Puffin
Meet the tufted puffin and learn cool facts, its natural history, and conservation status.