Turdus philomelos vs song thrush

Turdus philomelos and song thrush both are nouns.

Word	Noun	Adjective	Verb	Adverb
Turdus philomelos	Yes	No	No	No
song thrush	Yes	No	No	No

As nouns, Turdus philomelos and song thrush are synonyms defined as:

Turdus philomelos and song thrush: common Old World thrush noted for its song

Other synonyms of Turdus philomelos include mavis, throstle.

Turdus philomelos (noun)	song thrush (noun)
common Old World thrush noted for its song	common Old World thrush noted for its song