Named for Cygnus columbianus, also called Cygnus bewickii, or Bewick’s swan. {It belongs to the family of the Anatidae. Bewick’s Swan comes from Northern Russia and stays along the North Sea in winter. In 1994 only 3,000 pairs of Cygnus columbianus were counted.} (M 33790; M 34089) _ _.
Avastatud: 24-9-1960 Avastamiskoht: Palomar Avastajad: van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T.