belted kingfisher vs kingfisher

belted kingfisher and kingfisher both are nouns.

Word	Noun	Adjective	Verb	Adverb
belted kingfisher	Yes	No	No	No
kingfisher	Yes	No	No	No

As nouns, kingfisher is a hypernym of belted kingfisher; that is, kingfisher is a word with a broader meaning than belted kingfisher:

belted kingfisher: greyish-blue North American kingfisher with a chestnut band on its chest
kingfisher: nonpasserine large-headed bird with a short tail and long sharp bill; usually crested and bright-colored; feed mostly on fish

belted kingfisher (noun)	kingfisher (noun)
greyish-blue North American kingfisher with a chestnut band on its chest	nonpasserine large-headed bird with a short tail and long sharp bill; usually crested and bright-colored; feed mostly on fish