barking frog vs batrachian

barking frog and batrachian both are nouns.

Word	Noun	Adjective	Verb	Adverb
barking frog	Yes	No	No	No
batrachian	Yes	Yes	No	No

As nouns, batrachian is a hypernym of barking frog; that is, batrachian is a word with a broader meaning than barking frog:

barking frog: of southwest United States and Mexico; call is like a dog's bark
batrachian: any of various tailless stout-bodied amphibians with long hind limbs for leaping; semiaquatic and terrestrial species

Other hypernyms of barking frog include anuran, frog, salientian, toad, toad frog.

barking frog (noun)	batrachian (noun)
of southwest United States and Mexico; call is like a dog's bark	any of various tailless stout-bodied amphibians with long hind limbs for leaping; semiaquatic and terrestrial species

barking frog (adjective)	batrachian (adjective)
	relating to frogs and toads