pas·ser·ine /ˈpæsəˌraɪn/
  (a.)燕雀類的,象麻雀的燕雀類的鳥
  Pas·ser·ine a.  Zool. Of or pertaining to the Passeres.
     The columbine, gallinaceous, and passerine tribes people the fruit trees.   --Sydney Smith.
  Pas·ser·ine, n. Zool. One of the Passeres.
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  passerine
       adj : relating to or characteristic of the passeriform birds [ant:
              nonpasserine]
       n : perching birds mostly small and living near the ground with
           feet having 4 toes arranged to allow for gripping the
           perch; most are songbirds; hatchlings are helpless [syn:
           passeriform bird]