Aquiline
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"Aquiline" is specifically eagles. "Avian" is more generally pertaining to birds.
pertaining to, characteristic of, or having the nature of people: human frailty. pertaining to, characteristic of, or having the nature of people: human frailty.
pertaining to or characteristic of drama
Pertaining to the study of Birds
of, pertaining to, treating, or characteristic of history or past events
From my side Human is the person who have kindness, love and respect for others.
Feathers - the only outwardly obvious characteristic unique to birds.
its "healthily" you left out an 'i' def: pertaining to or characteristic of good health
birds
of, pertaining to, treating, or characteristic of history or past events
Pertaining to journals or to journalists; contained in, or characteristic of, the public journals; as journalistic literature or enterprise.
The word porcine is an adjective, a word for of or pertaining to swine; characteristic of the hog.
relating to, or characteristic of birds.