Falco peregrinus vs peregrine falcon

Falco peregrinus and peregrine falcon both are nouns.

Word	Noun	Adjective	Verb	Adverb
Falco peregrinus	Yes	No	No	No
peregrine falcon	Yes	No	No	No

As nouns, Falco peregrinus and peregrine falcon are synonyms defined as:

Falco peregrinus and peregrine falcon: a widely distributed falcon formerly used in falconry

Other synonyms of Falco peregrinus include peregrine.

Falco peregrinus (noun)	peregrine falcon (noun)
a widely distributed falcon formerly used in falconry	a widely distributed falcon formerly used in falconry