1. Of or relating to birds of a particular region or period
   - avifaunal

See also: avifauna

• acanthosis
• acanthosis nigricans
• acanthotic
• acanthous
• Acanthuridae
• Acanthurus
• Acanthurus chirurgus
• acanthus
• acanthus family
• Acanthus mollis
• acapnia
• acapnial
• acapnic
• acapnotic
• Acapulco
• Acapulco de Juarez
• Acapulco gold
• acaracide
• acardia
• acariasis
• acaricide
• acarid
• Acaridae
• acaridiasis
• Acarina