Pacific tree toad vs tree-frog

Pacific tree toad and tree-frog both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pacific tree toad	Yes	No	No	No
tree-frog	Yes	No	No	No

As nouns, tree-frog is a hypernym of Pacific tree toad; that is, tree-frog is a word with a broader meaning than Pacific tree toad:

Pacific tree toad: the most commonly heard frog on the Pacific coast of America
tree-frog: arboreal amphibians usually having adhesive disks at the tip of each toe; of southeast Asia and Australia and America

Other hypernyms of Pacific tree toad include tree frog, tree toad.

Pacific tree toad (noun)	tree-frog (noun)
the most commonly heard frog on the Pacific coast of America	any of various Old World arboreal frogs distinguished from true frogs by adhesive suckers on the toes
	arboreal amphibians usually having adhesive disks at the tip of each toe; of southeast Asia and Australia and America