wood warbler vs Phylloscopus sibilatrix

wood warbler and Phylloscopus sibilatrix both are nouns.

Word	Noun	Adjective	Verb	Adverb
wood warbler	Yes	No	No	No
Phylloscopus sibilatrix	Yes	No	No	No

As nouns, wood warbler and Phylloscopus sibilatrix are synonyms defined as:

wood warbler and Phylloscopus sibilatrix: European woodland warbler with dull yellow plumage

wood warbler (noun)	Phylloscopus sibilatrix (noun)
small bright-colored American songbird with a weak unmusical song	European woodland warbler with dull yellow plumage
European woodland warbler with dull yellow plumage