reedbird vs ricebird

reedbird and ricebird both are nouns.

Word	Noun	Adjective	Verb	Adverb
reedbird	Yes	No	No	No
ricebird	Yes	No	No	No

As nouns, reedbird and ricebird are synonyms defined as:

Other synonyms of reedbird include bobolink, Dolichonyx oryzivorus.

reedbird (noun)	ricebird (noun)
migratory American songbird	migratory American songbird
small European warbler that breeds among reeds and wedges and winters in Africa	small finch-like Indonesian weaverbird that frequents rice fields