Erinaceus europeaeus vs Erinaceus europaeus

Erinaceus europeaeus and Erinaceus europaeus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Erinaceus europeaeus	Yes	No	No	No
Erinaceus europaeus	Yes	No	No	No

As nouns, Erinaceus europeaeus and Erinaceus europaeus are synonyms defined as:

Erinaceus europeaeus and Erinaceus europaeus: small nocturnal Old World mammal covered with both hair and protective spines

Other synonyms of Erinaceus europeaeus include hedgehog.

Erinaceus europeaeus (noun)	Erinaceus europaeus (noun)
small nocturnal Old World mammal covered with both hair and protective spines	small nocturnal Old World mammal covered with both hair and protective spines