Bill short, strong, very deep, its upper outline decurved from the
base; lower mandible abruptly rounded, with a notch on each side.
Nostrils broadly elliptical, rather large. Conch of ear very large,
elliptical, extending from the base of the lower jaw to near the top
of the head, with an anterior semicircular operculum in its whole
length. Feet rather short, strong; tarsi and toes covered with very
soft downy feathers. Plumage full, and very soft; facial disks
complete. Wings rather long, very broad, much rounded, the third quill
longest; the filaments of the first, half of the second, and the
terminal part of the third, free and recurved. Tail of moderate
length, arched, slightly rounded.