adjutant bird vs adjutant

adjutant bird and adjutant both are nouns.

Word	Noun	Adjective	Verb	Adverb
adjutant bird	Yes	No	No	No
adjutant	Yes	No	No	No

As nouns, adjutant bird and adjutant are synonyms defined as:

Other synonyms of adjutant bird include adjutant stork, Leptoptilus dubius.

adjutant bird (noun)	adjutant (noun)
large Indian stork with a military gait	large Indian stork with a military gait
	an officer who acts as military assistant to a more senior officer