mosquito hawk vs caprimulgid

mosquito hawk and caprimulgid both are nouns.

Word	Noun	Adjective	Verb	Adverb
mosquito hawk	Yes	No	No	No
caprimulgid	Yes	No	No	No

As nouns, caprimulgid is a hypernym of mosquito hawk; that is, caprimulgid is a word with a broader meaning than mosquito hawk:

mosquito hawk: mainly nocturnal North American goatsucker
caprimulgid: mainly crepuscular or nocturnal nonpasserine birds with mottled greyish-brown plumage and large eyes; feed on insects

Other hypernyms of mosquito hawk include goatsucker, nightjar.

mosquito hawk (noun)	caprimulgid (noun)
slender-bodied non-stinging insect having iridescent wings that are outspread at rest; adults and nymphs feed on mosquitoes etc.	mainly crepuscular or nocturnal nonpasserine birds with mottled greyish-brown plumage and large eyes; feed on insects
mainly nocturnal North American goatsucker