- Circus cinereus
Identification
Male - 40cm, dark grey upperparts, white rump, pale grey underparts, rufous streaked belly, black wing tips.
Female - 50cm, brown above, white rump, cream underparts, streaked belly.
Distribution
South America. Breeds from Colombia and Peru south through Chile, Paraguay, south-eastern Brazil, Uruguay and much of Argentina to Tierra del Fuego. A partial-migrant in south of range. Rare visitor and probable former breeder in the Falkland Islands.
Taxonomy
Treated as a race of Hen Harrier C. cyaneus by some authors.
Habitat
Found in marshes and open grasslands, maximum 4500m.
Behaviour
It is a ground nester.
The diet includes small rodents, birds, reptiles, amphibians and insects.
References
Wikipedia
