guano bat vs freetail

guano bat and freetail both are nouns.

Word	Noun	Adjective	Verb	Adverb
guano bat	Yes	No	No	No
freetail	Yes	No	No	No

As nouns, freetail is a hypernym of guano bat; that is, freetail is a word with a broader meaning than guano bat:

guano bat: the common freetail bat of southern United States having short velvety fur; migrates southward for winter
freetail: small swift insectivorous bat with leathery ears and a long tail; common in warm regions

Other hypernyms of guano bat include free-tailed bat, freetailed bat.

guano bat (noun)	freetail (noun)
the common freetail bat of southern United States having short velvety fur; migrates southward for winter	small swift insectivorous bat with leathery ears and a long tail; common in warm regions