Aviarian

"We got no birds like that in Chicago," he said. "It is not an aviarian city."

Source: wiktionary

It's clear that this really pretty sincere yellow Dean at left is Admissions. And surely the little aviarian figure at right is Athletics, then, because the facial creases of the shaggy middle Dean are now pursed in a kind of distanced affront, an I'm-eating-something-that-makes-me-really-appreciate-the-presence-of-whatever-I'm-drinking-along-with-it look that spells professionally Academic reservations.

Source: wiktionary

Felinnines utilize similar weapons combined with silver claws. Metallic fangs are widely used by avis combatants, many of them often equipped with spears under their wings. Some aviarian species specialize in storming targets by dropping different types of projectiles.

Source: wiktionary

Rarely seen or heard, the eastern black rail is one of the more mysterious birds in a state full of aviarian oddities.

Source: wiktionary