odd fish vs queer bird

odd fish and queer bird both are nouns.

Word	Noun	Adjective	Verb	Adverb
odd fish	Yes	No	No	No
queer bird	Yes	No	No	No

As nouns, odd fish and queer bird are synonyms defined as:

odd fish and queer bird: someone regarded as eccentric or crazy and standing out from a group

Other synonyms of odd fish include kook, odd fellow, odd man out, queer duck.

odd fish (noun)	queer bird (noun)
someone regarded as eccentric or crazy and standing out from a group	someone regarded as eccentric or crazy and standing out from a group