lovebird

from WordNet (r) 3.0 (2006)

lovebird
    n 1: small Australian parakeet usually light green with black
         and yellow markings in the wild but bred in many colors
         [syn: {budgerigar}, {budgereegah}, {budgerygah}, {budgie},
         {grass parakeet}, {lovebird}, {shell parakeet},
         {Melopsittacus undulatus}]
    2: small African parrot noted for showing affection for their
       mates

from The Collaborative International Dictionary of English v.0.48

lovebird \lovebird\ n.
   A small Australian parakeet ({Melopsittacus undulatus})
   usually light green with black and yellow markings in the
   wild but bred in many colors; also called the {budgie}.

   Syn: budgerigar, budgereegah, budgerygah, budgie, grass
        parakeet, shell parakeet, {Melopsittacus undulatus}.
        [WordNet 1.5]

   2. small African parrot noted for showing affection for their
      mates.
      [WordNet 1.5]