macrotus vs Macrotus californicus

macrotus and Macrotus californicus both are nouns.

Word	Noun	Adjective	Verb	Adverb
macrotus	Yes	No	No	No
Macrotus californicus	Yes	No	No	No

As nouns, macrotus and Macrotus californicus are synonyms defined as:

macrotus and Macrotus californicus: large-eared greyish bat of southern California and northwestern Mexico

macrotus (noun)	Macrotus californicus (noun)
large-eared greyish bat of southern California and northwestern Mexico	large-eared greyish bat of southern California and northwestern Mexico