The Collaborative International Dictionary of English v.0.48:

Kaka \Ka"ka\, n. [Maori kaka a parrot; -- so named from its
   note.] (Zool.)
   A New Zealand parrot of the genus Nestor, especially the
   brown parrot (Nestor meridionalis).
   [1913 Webster]

   Note: The mountain kaka, or kea (Nestor notabilis), is
         remarkable for having recently acquired carnivorous
         habits. It attacks and kills lambs and pigs, sometimes
         doing great damage.
         [1913 Webster]

   Night kaka. (Zool.) The kakapo.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Kea \Ke"a\ (k[=a]"[.a]; colloq. k[=e]"[.a]), n. [Maori.] (Zool.)
   A large New Zealand parrot (Nestor notabilis), notorious
   for having acquired the habit of killing sheep; -- called
   also mountain parrot.
   [Webster 1913 Suppl.] kebab

WordNet (r) 3.0 (2006):

Nestor notabilis
    n 1: large brownish-green New Zealand parrot [syn: kea,
         Nestor notabilis]