Noun yellowhammer has 2 senses
  1. yellow-shafted flicker, Colaptes auratus, yellowhammer - large flicker of eastern North America with a red neck and yellow undersurface to wings and tail
    --1 is a kind of flicker
  2. yellowhammer, yellow bunting, Emberiza citrinella - European bunting the male being bright yellow
    --2 is a kind of bunting
    --2 is a member of Emberiza, genus Emberiza
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