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- Circus cinereus
Identification
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.