sedge bird vs sedge warbler

sedge bird and sedge warbler both are nouns.

Word	Noun	Adjective	Verb	Adverb
sedge bird	Yes	No	No	No
sedge warbler	Yes	No	No	No

As nouns, sedge bird and sedge warbler are synonyms defined as:

sedge bird and sedge warbler: small European warbler that breeds among reeds and wedges and winters in Africa

Other synonyms of sedge bird include Acrocephalus schoenobaenus, reedbird, sedge wren.

sedge bird (noun)	sedge warbler (noun)
small European warbler that breeds among reeds and wedges and winters in Africa	small European warbler that breeds among reeds and wedges and winters in Africa