sedge warbler vs sedge wren

sedge warbler and sedge wren both are nouns.

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

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

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

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

sedge warbler (noun)	sedge wren (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
	small American wren inhabiting wet sedgy meadows