Caretta caretta vs loggerhead turtle

Caretta caretta and loggerhead turtle both are nouns.

Word	Noun	Adjective	Verb	Adverb
Caretta caretta	Yes	No	No	No
loggerhead turtle	Yes	No	No	No

As nouns, Caretta caretta and loggerhead turtle are synonyms defined as:

Caretta caretta and loggerhead turtle: very large carnivorous sea turtle; wide-ranging in warm open seas

Other synonyms of Caretta caretta include loggerhead.

Caretta caretta (noun)	loggerhead turtle (noun)
very large carnivorous sea turtle; wide-ranging in warm open seas	very large carnivorous sea turtle; wide-ranging in warm open seas