The fulvous owl is a medium-sized owl with a round head. It lacks the
ear tufts found in many other owls. and between . Measured wing lengths for the species range between , while tail length ranges between , and the bill length between . Adults weigh approximately , with females on average being heavier. The
facial disc of the species is a dull brownish-white or pale ochre in color, and is slightly darker around the eyes. The disc has concentric dark brown bars around it, and short white eyebrows. The
crown, the nape of the neck, and the upperparts of the species are a rich, warm dark brown or reddish brown. The crown and the neck have scalloped markings in a lighter shade. The upperparts of the bird are covered by sparse bars colored "ochraceous buff", that become smaller and less regular on the
scapulars, lower back, and rump. The
wing coverts have small pale brown markings, while the greater and median coverts have a white spot near the base. The
primaries have big spots ranging from whitish to pale brown. The
secondaries have five or six light brown bands. The underparts of the bird are shades of light brown, with dark brown or reddish-brown streaks. The
undertail coverts are buff colored, with some dark streaks on the longest feathers. The bill and the
cere are yellowish in color. The legs are covered in reddish-brown feathering till the toes, which are yellowish. The claws are horn-colored with dark tips. The
iris is dark brown. Sexes are alike in the fulvous owl. Chicks are whitish, while juveniles are cinnamon-brown with yellowish or white barring and a brownish facial disc. The species is visually most similar to the barred owl, found in Mexico, Canada, and the United States. The barred owl is more gray above and more white below. The fulvous owl is approximately one-fifth smaller than the Mexican variant of the barred owl. The
mottled owl (
Ciccaba virgata) has a similar range as the fulvous owl, but is found only at lower altitudes. It is darker brown and smaller, while the facial disc is dark with a white edge, as opposed to light with a dark edge in the fulvous owl. ==Distribution and habitat==