Monodactylus apteryx . Animals very large. Motion clumsy and slow. Frequently found in mountainous regions. Monodactylus splendens .
Toes elongate, small having smooth skin.
Tail long, featherless, used as auxiliary organ when hopping, dragged in long stripes, companionable animal. Second division of the giant-birds. Animals very large, clumsy. Toes varying in size, the smaller ones turned to the posterior, larger toes broad, covered with knobby warts. Outer toes flat, knobby, constricted in the middle, motion slow.