(Circus maillardi)
The Réunion harrier or Réunion marsh harrier (Circus maillardi) is a bird of prey belonging to the marsh harrier group of harriers.It is about 42–55 cm long;the female is around 3–15% larger than the male.[2] The male has a blackish head and back with white streaks.The underparts,underwings and rump are white and the tail is grey.The wings are grey and black with a white leading edge.Females and immatures are dark brown with a white rump and barred tail.