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bird vs protoavis protoavis vs bird

bird and protoavis both are nouns.

bird is a verb but protoavis is not a verb.

As nouns, protoavis is a hyponym of bird; that is, protoavis is a word with a more specific, narrower meaning than bird and protoavis is a type of bird with the definitions:
  • warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings
bird (noun) protoavis (noun)
warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings most primitive avian type known; extinct bird of the Triassic having bird-like jaw and hollow limbs and breastbone with dinosaur-like tail and hind limbs
the flesh of a bird or fowl (wild or domestic) used as food
informal terms for a (young) woman
a cry or noise made to express displeasure or contempt
badminton equipment consisting of a ball of cork or rubber with a crown of feathers
bird (verb) protoavis (verb)
watch and study birds in their natural habitat