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Enw gwyddonolStatws
Cygnusgenus
Cygnus olorfull species
Cygnus olor [white morph]color morph
Cygnus olor [gray morph]color morph
Cygnus atratusfull species
Cygnus sumnerensisfossil species (extinct)
Cygnus melancoryphusfull species
Cygnus cygnusfull species
Cygnus cygnus (cygnus)nominal suspecies (sensu stricto)
Cygnus cygnus (islandicus)junior synonym (or subspecies)
Cygnus buccinatorfull species
Cygnus [columbianus or bewickii]species group (or species)
Cygnus columbianusfull species (or nominal subsp)
Cygnus bewickiifull species (or subspecies)
Cygnus bewickii (bewickii)nominal suspecies (sensu stricto)
Cygnus bewickii (jankowskyi)junior synonym (or subspecies)
Cygnus mariaefossil species (extinct)
Cygnus equitumfossil species (extinct)
Cygnus falconerifossil species (extinct)
Cygnus paloregonusfossil species (extinct)
Cygnus csakvarensisfossil species (extinct)
Cygnus liskunaefossil species (extinct)
Cygnus atavusfossil species (extinct)
Cygnus hibbardifossil species (extinct)
Cygnus lacustrisfossil species (extinct)

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