About Crypturellus obsoletus (Temminck, 1815)
Size and Weight
The brown tinamou (Crypturellus obsoletus) is approximately 25 to 30 cm (9.8–11.8 in) long, and weighs around 350 to 550 g (12–19 oz).
General Coloration
Upperpart coloration ranges from dark sooty-brown to bright chestnut across different subspecies, while underparts (which are typically paler than the upperparts) range from chestnut to light ochraceous.
Griseiventris Subspecies Trait
The griseiventris subspecies is set apart by its unique pale buff-grey underparts.
Distinction from Little Tinamou
All subspecies can be distinguished from the similar-looking little tinamou by their greyish throat, rather than the little tinamou's whitish throat.
Sexual Dimorphism
Females are generally larger and more rufescent than males.
Geographical Range
The brown tinamou occurs in northern Venezuela, Colombia, Ecuador, Peru, northern and southern Brazil, extreme northeastern Argentina, eastern Bolivia, and eastern Paraguay, and may also be present in Uruguay.
Habitat and Elevation
It inhabits tropical and subtropical moist lowland and montane forests, and prefers elevations between 1,300 and 2,900 m (4,300–9,500 ft).
