The Collaborative International Dictionary of English v.0.48:

nonmigratory \nonmigratory\ adj.
   1. Not participating in migrations; -- used of animals that
      do not migrate. Opposite of migratory.

   Syn: resident.
        [WordNet 1.5]

   2. living in one area throughout the year; -- used of
      animals.
      [WordNet 1.5]

WordNet (r) 3.0 (2006):

nonmigratory
    adj 1: used of animals that do not migrate [syn: nonmigratory,
           resident] [ant: migratory]