1. non-avian - Noun
2. non-avian - Adjective
non-avian (not comparable)
Not avian.
non-avian (plural non-avians)
Any organism that is not avian.
Despite the presence of numerous avian features, Archaeopteryx had many non-avian theropod dinosaur characteristics. Source: Internet
Persons adds that this means non-avian theropods actually had broader tails than previously depicted, as broad or broader laterally than dorsoventrally near the base. Source: Internet
Lizards are the most speciose clade among extant non-avian reptiles, comprising about 60% of all living species. Source: Internet
The end-Cretaceous mass extinction removed the non-avian dinosaurs and made it possible for mammals to expand into the large terrestrial vertebrate niches. Source: Internet
These features make Archaeopteryx a clear candidate for a transitional fossil between non-avian dinosaurs and birds. Source: Internet
The structure more closely resembles that of modern birds than the inner ear of non-avian reptiles. Source: Internet