If you're looking for an English adjective derived from Latin, it's "avian", from avis, "bird".
In Latin itself, the adjective is actually aviarius(-a, -um).
It's
ὁ ορνις, ορνιθος
Bird in Latin is avis.
avis
carmen avis
Avis.
Free as a bird
The Latin word avis, meaning "bird".
The Latin Name for Black bird is, Turdus merula.
The term "barn owl" is the common name for this bird. "Tyto alba" is the Latin name. Since many people might call the same bird by different common names, the Latin name ensures there is no confusion as to what bird is being discussed.
Bird
avis
bird
Roadrunner
"Avi"
Avis.
Avis ignis.
A banana bird is a small American bird, Latin name Icterus leucopteryx, which feeds on bananas.