- 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
- 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