Ambystoma tigrinum vs tiger salamander

Ambystoma tigrinum and tiger salamander both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ambystoma tigrinum	Yes	No	No	No
tiger salamander	Yes	No	No	No

As nouns, Ambystoma tigrinum and tiger salamander are synonyms defined as:

Ambystoma tigrinum and tiger salamander: widely distributed brown or black North American salamander with vertical yellowish blotches

Ambystoma tigrinum (noun)	tiger salamander (noun)
widely distributed brown or black North American salamander with vertical yellowish blotches	widely distributed brown or black North American salamander with vertical yellowish blotches