The Collaborative International Dictionary of English v.0.48:

Mooruk \Moo"ruk\, n. [Native name.] (Zool.)
   A species of cassowary (Casuarius Bennetti) found in New
   Britain, and noted for its agility in running and leaping. It
   is smaller and has stouter legs than the common cassowary.
   Its crest is bilobed; the neck and breast are black; the
   back, rufous mixed with black; and the naked skin of the
   neck, blue.
   [1913 Webster]