natterjack vs true toad

natterjack and true toad both are nouns.

Word	Noun	Adjective	Verb	Adverb
natterjack	Yes	No	No	No
true toad	Yes	No	No	No

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

natterjack: common brownish-yellow short-legged toad of western Europe; runs rather than hops
true toad: tailless amphibian similar to a frog but more terrestrial and having drier warty skin

natterjack (noun)	true toad (noun)
common brownish-yellow short-legged toad of western Europe; runs rather than hops	tailless amphibian similar to a frog but more terrestrial and having drier warty skin