#pelecaniform_seabird  large fish-eating seabird with four-toed webbed feet
  supertype:  #seabird__sea_bird__seabird__seafowl  a bird that frequents coastal waters and the open ocean: gulls; pelicans; gannets; cormorants; albatrosses; petrels; etc.
  subtype:  #pelican  large long-winged warm-water seabird having a large bill with a distensible pouch for fish
     subtype:  #white_pelican__whitepelican__Pelecanus_erythrorhynchos  large American pelican; white with black wing feathers
     subtype:  #Old_world_white_pelican__Pelecanus_onocrotalus  similar to American white pelican
  subtype:  #frigate_bird__frigatebird__manofwarbird  long-billed warm-water seabird with wide wingspan and forked tail
  subtype:  #gannet  large heavily built seabird with a long stout bill noted for its plunging dives for fish
     subtype:  #solan_goose__solangoose__solan__solant_goose__Sula_bassana  very large white gannet with black wing tips
     subtype:  #booby  small tropical gannet having a bright bill or bright feet or both
  subtype:  #cormorant__phalacrocoraxcarbo  large voracious dark-colored long-necked seabird with a distensible pouch for holding fish; used in Asia to catch fish
  subtype:  #snakebird__anhinga__darter  fish-eating bird of warm inland waters having a long flexible neck and slender sharp-pointed bill
     subtype:  #water_turkey__waterturkey__Anhinga_anhinga  blackish New World snakebird of swampy regions
  subtype:  #tropic_bird__boatswain_bird__boatswainbird  mostly white web-footed tropical seabird often found far from land

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