Bufo speciosus vs true toad

Bufo speciosus and true toad both are nouns.

Word	Noun	Adjective	Verb	Adverb
Bufo speciosus	Yes	No	No	No
true toad	Yes	No	No	No

As nouns, true toad is a hypernym of Bufo speciosus; that is, true toad is a word with a broader meaning than Bufo speciosus:

Bufo speciosus: nocturnal burrowing toad of mesquite woodland and prairies of the United States southwest
true toad: tailless amphibian similar to a frog but more terrestrial and having drier warty skin

Bufo speciosus (noun)	true toad (noun)
nocturnal burrowing toad of mesquite woodland and prairies of the United States southwest	tailless amphibian similar to a frog but more terrestrial and having drier warty skin