PaleoDB taxon number: 368060

Alternative combinations: Circus macrurus, Falco macrourus

Belongs to Circus according to J. F. Clements et al. 2017

Sister taxa: Circus aeruginosus, Circus approximans, Circus assimilis, Circus buffoni, Circus cinereus, Circus cyaneus, Circus dossenus, Circus eylesi, Circus hamiltoni, Circus hudsonius, Circus macrosceles, Circus maillardi, Circus maurus, Circus melanoleucos, Circus pygargus, Circus ranivorus, Circus spilonotus, Circus spilothorax, Circus teauteensis