Large guan with a long tail and red throat wattle. Dark brown overall with an olive tinge to the upperparts and warmer brown belly. Unlike most other members of its genus, Dusky-legged has dull grayish legs. Note frosted forehead and variable thin white streaks on the neck and underparts. Found in lowland and foothill forest, including forest edge and scrub. Listen for loud, harsh calls and brays, often given in a series. Occurs from southeastern Brazil to Buenos Aires. Usually in pairs or small groups; often seen feeding at fruiting trees, but can be seen walking on the ground.