Falco tinnunculus vs kestrel

Falco tinnunculus and kestrel both are nouns.

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

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

Falco tinnunculus and kestrel: small Old World falcon that hovers in the air against a wind

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