marsh harrier

marsh harrier (plural marsh harriers)

1. A raptor in species Circus aeruginosus, which inhabits swampy ground.
2. Any member of the raptor genus Circus of similar appearance and habit to Circus aeruginosus.
   1. An African marsh harrier (Circus ranivorus)
   2. A western marsh harrier (Circus aeruginosus)
   3. An eastern marsh harrier (Circus spilonotus),
   4. A Papuan harrier (Circus spilonotus spilothorax or Circus spilothorax),
   5. A swamp harrier (Circus approximans)
   6. A Reunion harrier (Circus maillardi maillardi or Circus maillardi)
   7. A Madagascar marsh harrier (Circus maillardi macrosceles or Circus macrosceles).