Tringa totanus vs redshank

Tringa totanus and redshank both are nouns.

Word	Noun	Adjective	Verb	Adverb
Tringa totanus	Yes	No	No	No
redshank	Yes	No	No	No

As nouns, Tringa totanus and redshank are synonyms defined as:

Tringa totanus and redshank: a common Old World wading bird with long red legs

Tringa totanus (noun)	redshank (noun)
a common Old World wading bird with long red legs	a common Old World wading bird with long red legs