Dendroaspis augusticeps vs black mamba

Dendroaspis augusticeps and black mamba both are nouns.

Word	Noun	Adjective	Verb	Adverb
Dendroaspis augusticeps	Yes	No	No	No
black mamba	Yes	No	No	No

As nouns, Dendroaspis augusticeps and black mamba are synonyms defined as:

Dendroaspis augusticeps and black mamba: a highly venomous southern African mamba dreaded because of its quickness and readiness to bite

Dendroaspis augusticeps (noun)	black mamba (noun)
a highly venomous southern African mamba dreaded because of its quickness and readiness to bite	a highly venomous southern African mamba dreaded because of its quickness and readiness to bite