Hawks and Eagles (Accipitridae)

Hen Harrier (Circus cyaneus) - HBW 2, p. 139

French: Busard Saint Martin German: Kornweihe Spanish: Aguilucho Pálido
Other common names: Northern Harrier, Marsh Hawk

Taxonomy: Falco cyaneus Linnaeus, 1766, Europe, Africa = near London.
Forms superspecies with C. cinereus, with which it has been considered conspecific. Race hudsonius may be separate species. Two subspecies recognized.

Subspecies and Distribution:

  • cyaneus (Linnaeus, 1766) - Europe and N Asia E to Kamchatka; winters from Europe and NW Africa through S Asia to SE China and Japan.
  • hudsonius (Linnaeus, 1766) - North America, S to NW Mexico and SE Virginia (USA); winters S to N South America.

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