Micromyx minutus vs harvest mouse

Micromyx minutus and harvest mouse both are nouns.

Word	Noun	Adjective	Verb	Adverb
Micromyx minutus	Yes	No	No	No
harvest mouse	Yes	No	No	No

As nouns, Micromyx minutus and harvest mouse are synonyms defined as:

Micromyx minutus and harvest mouse: small reddish-brown Eurasian mouse inhabiting e.g. cornfields

Micromyx minutus (noun)	harvest mouse (noun)
small reddish-brown Eurasian mouse inhabiting e.g. cornfields	small reddish-brown Eurasian mouse inhabiting e.g. cornfields
	any of several small greyish New World mice inhabiting e.g. grain fields