Falco sparverius vs kestrel

Falco sparverius and kestrel both are nouns.

Word	Noun	Adjective	Verb	Adverb
Falco sparverius	Yes	No	No	No
kestrel	Yes	No	No	No

As nouns, Falco sparverius and kestrel are synonyms defined as:

Other synonyms of Falco sparverius include American kestrel, sparrow hawk.

Falco sparverius (noun)	kestrel (noun)
small North American falcon	small Old World falcon that hovers in the air against a wind
	small North American falcon