The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
(first | last) View (previous 50 | next 50) (20 | 50 | 100 | 250 | 500)- Psittiparus (4 members)
- Psittirostra (1 member)
- Psittrichas (1 member)
- Psophia (3 members)
- Psophiidae (1 member)
- Psophocichla (0 members)
- Psophodes (4 members)
- Psophodidae (2 members)
- Pteridophora (1 member)
- Pternistis (23 members)
- Pterocles (14 members)
- Pteroclidae (2 members)
- Pteroclididae (0 members)
- Pterocliformes (1 member)
- Pterocnemia (0 members)
- Pterodroma (38 members)
- Pteroglossus (11 members)
- Pteronetta (1 member)
- Pterophanes (1 member)
- Pteropodocys (0 members)
- Pteroptochos (3 members)
- Pterorhinus (26 members)
- Pteruthius (7 members)
- Ptilinopus (56 members)
- Ptiliogonatidae (3 members)
- Ptiliogonys (2 members)
- Ptilocichla (3 members)
- Ptilolaemus (0 members)
- Ptilonorhynchidae (8 members)
- Ptilonorhynchus (1 member)
- Ptilopachus (2 members)
- Ptiloprora (6 members)
- Ptilopsis (2 members)
- Ptiloris (4 members)
- Ptilorrhoa (4 members)
- Ptilostomus (1 member)
- Ptilotula (6 members)
- Ptiloxena (0 members)
- Ptychoramphus (1 member)
- Ptyonoprogne (4 members)
- Ptyrticus (0 members)
- Pucrasia (1 member)
- Puerto Rico (1 member)
- Puffinus (21 members)
- Pulsatrix (3 members)
- Purnella (1 member)
- Purpureicephalus (1 member)
- Pycnonotidae (30 members)
- Pycnonotus (36 members)
- Pycnoptilus (1 member)