Alaskan brown bear vs Ursus arctos middendorffi

Alaskan brown bear and Ursus arctos middendorffi both are nouns.

Word	Noun	Adjective	Verb	Adverb
Alaskan brown bear	Yes	No	No	No
Ursus arctos middendorffi	Yes	No	No	No

As nouns, Alaskan brown bear and Ursus arctos middendorffi are synonyms defined as:

Alaskan brown bear and Ursus arctos middendorffi: brown bear of coastal Alaska and British Columbia

Other synonyms of Alaskan brown bear include Kodiak, Kodiak bear, Ursus middendorffi.

Alaskan brown bear (noun)	Ursus arctos middendorffi (noun)
brown bear of coastal Alaska and British Columbia	brown bear of coastal Alaska and British Columbia