Emberiza citrinella vs yellowhammer

Emberiza citrinella and yellowhammer both are nouns.

Word	Noun	Adjective	Verb	Adverb
Emberiza citrinella	Yes	No	No	No
yellowhammer	Yes	No	No	No

As nouns, Emberiza citrinella and yellowhammer are synonyms defined as:

Emberiza citrinella and yellowhammer: European bunting the male being bright yellow

Other synonyms of Emberiza citrinella include yellow bunting.

Emberiza citrinella (noun)	yellowhammer (noun)
European bunting the male being bright yellow	European bunting the male being bright yellow
	large flicker of eastern North America with a red neck and yellow undersurface to wings and tail