African chameleon vs chameleon

African chameleon and chameleon both are nouns.

Word	Noun	Adjective	Verb	Adverb
African chameleon	Yes	No	No	No
chameleon	Yes	No	No	No

As nouns, chameleon is a hypernym of African chameleon; that is, chameleon is a word with a broader meaning than African chameleon:

African chameleon: a chameleon found in Africa
chameleon: lizard of Africa and Madagascar able to change skin color and having a projectile tongue

Other hypernyms of African chameleon include chamaeleon.

African chameleon (noun)	chameleon (noun)
a chameleon found in Africa	lizard of Africa and Madagascar able to change skin color and having a projectile tongue
	a changeable or inconstant person