WordNet (r) 3.0 (2006):

wildlife
    n 1: all living things (except people) that are undomesticated;
         "chemicals could kill all the wildlife"

Moby Thesaurus II by Grady Ward, 1.0:

20 Moby Thesaurus words for "wildlife":
   Animalia, and fish, animal kingdom, animal life, animality, beasts,
   beasts of field, beasts of prey, big game, birds, brute creation,
   cattle, domestic animals, fauna, furry creatures, game, livestock,
   small game, stock, wild animals