Troglodytes troglodytes vs winter wren

Troglodytes troglodytes and winter wren both are nouns.

Word	Noun	Adjective	Verb	Adverb
Troglodytes troglodytes	Yes	No	No	No
winter wren	Yes	No	No	No

As nouns, Troglodytes troglodytes and winter wren are synonyms defined as:

Troglodytes troglodytes and winter wren: small wren of coniferous forests of Northern Hemisphere

Troglodytes troglodytes (noun)	winter wren (noun)
small wren of coniferous forests of Northern Hemisphere	small wren of coniferous forests of Northern Hemisphere