#auk  black-and-white short-necked web-footed diving bird of northern seas
  supertype:  seabird__sea_bird__seabird__seafowl  a bird that frequents coastal waters and the open ocean: gulls; pelicans; gannets; cormorants; albatrosses; petrels; etc.
  member of:  family_Alcidae
  subtype:  auklet  any of several small auks of north Pacific coasts
  subtype:  razorbill__razor-billed_auk__Alca_torda  black-and-white North Atlantic auk having a compressed sharp-edged bill
  subtype:  little_auk__dovekie__plautusalle  small short-billed auk abundant in arctic regions
  subtype:  great_auk__greatauk__Pinguinus_impennis  large large flightless auk of rocky islands off North Atlantic coast; extinct
  subtype:  guillemot  small black or brown speckled auks of northern seas
     subtype:  black_guillemot__blackguillemot__Cepphus_grylle  North Atlantic guillemot
     subtype:  pigeon_guillemot__Cepphus_columba  North Pacific guillemot
     subtype:  murre  black-and-white diving bird of northern seas
        subtype:  common_murre__Uria_aalge  the most frequent variety of murre
        subtype:  thick-billed_murre__Uria_lomvia  a variety of murre

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