The Collaborative International Dictionary of English v.0.48:

maned sheep \maned sheep\ n.
   A type of wild sheep (Ammotragus lervia) of northern
   Africa; called also Barbary sheep and aoudad.

   Syn: aoudad, arui, audad, Barbary sheep, Ammotragus lervia.
        [WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

Aoudad \A"ou*dad\, n. [The Moorish name.] (Zool.)
   An African sheeplike quadruped (the Ammotragus lervia,
   formerly Ammotragus tragelaphus) having a long mane on the
   breast and fore legs; the wild sheep of northern Africa; --
   called also Barbary sheep. It is, perhaps, the chamois of
   the Old Testament.

   Syn: aoudad, arui, Barbary sheep, maned sheep.
        [1913 Webster + WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

arui \arui\ n.
   1. a wild sheep (Ammotragus lervia) of northern Africa,
      having a thick mane on the throat, chest, and forelegs; --
      also called the aoudad and Barbary sheep.

   Syn: aoudad, audad, Barbary sheep, maned sheep.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

aoudad
    n 1: wild sheep of northern Africa [syn: aoudad, arui,
         audad, Barbary sheep, maned sheep, Ammotragus
         lervia]