Latinised from the Norse Suit, which is said to mean an awkward fellow, a dolt.
Bill strong and pointed. Upper mandible furrowed, inner margins of both mandibles serrated. Nostrils minute, in long groove (completely closed in adults). Sides of head, chin, and part of throat naked. Tail wedge-shaped, of twelve to eighteen feathers. Third and fourth toes equal. Mid claw pectinated.
(i.) Feathers on throat ending in a transverse line. Plumage above uniform sooty brown.