sedge wren vs Cistothorus platensis

sedge wren and Cistothorus platensis both are nouns.

Word	Noun	Adjective	Verb	Adverb
sedge wren	Yes	No	No	No
Cistothorus platensis	Yes	No	No	No

As nouns, sedge wren and Cistothorus platensis are synonyms defined as:

sedge wren and Cistothorus platensis: small American wren inhabiting wet sedgy meadows

Other synonyms of sedge wren include short-billed marsh wren.

sedge wren (noun)	Cistothorus platensis (noun)
small European warbler that breeds among reeds and wedges and winters in Africa	small American wren inhabiting wet sedgy meadows
small American wren inhabiting wet sedgy meadows