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

See also: avifauna

• Pteroclididae
• Pterocnemia
• Pterocnemia pennata
• pterodactyl
• Pterodactylidae
• Pterodactylus
• Pterois
• pteropogon
• Pteropogon humboltianum
• Pteropsida
• Pteropus
• Pteropus capestratus
• Pteropus hypomelanus
• pterosaur
• Pterosauria
• Pterospermum
• Pterospermum acerifolium
• Pterostylis
• pteroylglutamic acid
• pteroylmonoglutamic acid
• pterygium
• pterygoid muscle
• pterygoid plexus
• pterygoid process
• pteryla