Family III. STRIGINAE. OWLS.
GENUS V. OTUS, Cuv. EARED-OWL

Bill short, stout, broader than high at the base, compressed toward the end; upper mandible with its dorsal line slightly curved from the base, toward the end decurved, the ridge broad at the base, narrowed anteriorly, the sides convex toward the tip, which is acute, and descends obliquely; lower mandible straight, with the dorsal line very short and slightly convex, the back and sides convex, the edges toward the end decurved, and with a slight sinus on each side, the tip obliquely truncate. Nostrils large, oblique, oblong. Conch of extreme size, extending from the level of the forehead over the eye to the chin in a semilunar form, with an anterior semicircular flap in its whole length; the aperture large, of a rhomboidal form. Feet of moderate length, and stout; tarsi short, feathered, as are the toes; the first shortest, the second and fourth nearly equal; claws long, curved in the fourth of a circle, extremely acute, the first and second rounded beneath. Plumage extremely soft and downy, facial disks complete, ruff distinct. Two small tufts of elongated feathers on the head. Wings long and broad; the second quill longest; the outer in its whole length, the second toward the end, and the first alular feather with the filaments disunited and recurved at the ends. Tail rather short, a little rounded.