It is found in Argentina, Bolivia, Brazil, Paraguay, and Uruguay. Its natural habitats are temperate grassland, subtropical or tropical seasonally wet or flooded lowland grassland, and swamps.
The Long-tailed Reed Finch is classified as Least Concern. Does not qualify for a more at risk category. Widespread and abundant taxa are included in this category.
Long-tailed Reed Finch (Donacopsiza albifrons), and two species of Poospiza: Black-and-Rufous Warbling Finch (Poospiza nigrorufa) and Gray-throated Warbling-Finch (Poospiza cabanisi). Though rare, some hawks can be found in the woods, including Rufous-thighed Kite (Harpagus diodon), Tiny Hawk (Accipiter superciliosus), Savanna Hawk (Heterospizias meridionalis), Short-tailed Hawk (Buteo brachyurus), Black Hawk-Eagle (Spizaetus tyrannus) and Peregrine Falcon (Falco peregrinus). Among the owl species in Barigui are the Long-Tufted Sreech-Owl (Megascops sanctaecatarinae) and Rusty-barred Owl (Strix hylophila). More