Bufo marinus vs true toad

Bufo marinus and true toad both are nouns.

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

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

Bufo marinus: largest known toad species; native to Central America; valuable destroyer of insect pests
true toad: tailless amphibian similar to a frog but more terrestrial and having drier warty skin

Bufo marinus (noun)	true toad (noun)
largest known toad species; native to Central America; valuable destroyer of insect pests	tailless amphibian similar to a frog but more terrestrial and having drier warty skin