Circus cyaneus Linnaeus 1766 (Hen harrier)
PaleoDB taxon number: 368507
Alternative combination: Falco cyaneus
Belongs to Circus according to J. F. Clements et al. 2017
Sister taxa: Circus aeruginosus, Circus approximans, Circus assimilis, Circus buffoni, Circus cinereus, Circus dossenus, Circus eylesi, Circus hamiltoni, Circus hudsonius, Circus macrosceles, Circus macrourus, Circus maillardi, Circus maurus, Circus melanoleucos, Circus pygargus, Circus ranivorus, Circus spilonotus, Circus spilothorax, Circus teauteensis