I am not sure that I understand the question, because there are several distinct species of puffins and they have a number of similar relatives that live in similar habitats (Murres & Auks come to mind). read more
Puffins can serve as food for people. Locals of the Faroe Islands, Norway and Iceland have hunted puffins for centuries. The Lofoten people (Norway) use special puffin dogs to dig birds from burrows among narrow rocks. The Iceland and Faroe Island locals use a fleyg, which looks like a 4-meter long lacrosse pole, to catch puffins in flight. read more