The Collaborative International Dictionary of English v.0.48:

cedar bird \ce"dar bird`\, cedarbird \ce"dar*bird`\, n. (Zool.)
   Same as cedar waxwing.
   [PJC]

WordNet (r) 3.0 (2006):

cedarbird
    n 1: widely distributed over temperate North America [syn:
         cedar waxwing, cedarbird, Bombycilla cedrorun]