- Pacific Baza
- Pacific Black Duck
- Pacific Golden Plover
- Pacific Gull
- Pacific Koel
- Pacific Long-tailed Cuckoo
- Pacific Swift
- Paddyfield Pipit
- Paddyfield Warbler
- Paint-billed Crake
- Painted Honeyeater
- Painted Sandgrouse
- Painted Stork
- Palawan Blue Flycatcher
- Palawan Crow
- Palawan Fairy-bluebird
- Palawan Flowerpecker
- Palawan Flycatcher
- Palawan Frogmouth
- Palawan Hornbill
- Palawan Peacock-Pheasant
- Palawan Sunbird
- Palawan Tit
- Pale-bellied Hermit
- Pale-billed Flowerpecker
- Pale-breasted Thrush
- Pale-crested Woodpecker
- Pale-crowned Cisticola
- Pale-edged Flycatcher
- Pale-headed Munia
- Pale-naped Brushfinch
- Pale-vented Bush-hen
- Pale-vented Pigeon
- Pale Chanting Goshawk
- Pale Flycatcher
- Pale Martin
- Pale Spiderhunter
- Pallas's Fish Eagle
- Pallas's Gull
- Pallas's Leaf Warbler
- Pallas's Reed Bunting
- Pallas's Sandgrouse
- Pallid Cuckoo
- Pallid Harrier
- Pallid Scops Owl
- Pallid Swift
- Palm-nut Vulture
- Palm Cockatoo
- Palm Tanager
- Palmchat
- Pampa Finch
- Pampas Meadowlark
- Panama Flycatcher
- Panama Tyrannulet
- Papuan Babbler
- Papuan Boobook
- Papuan Eclectus
- Papuan Frogmouth
- Papuan Mountain Pigeon
- Papuan Nightjar
- Papuan Scrub Robin
- Papuan Spinetail
- Papuan Treecreeper
- Papuan White-eye
- Papyrus Gonolek
- Paradise Shelduck
- Parasitic Jaeger
- Patagonian Canastero
- Patagonian Mockingbird
- Patagonian Sierra Finch
- Pauraque
- Peach-fronted Parakeet
- Pearl-spotted Owlet
- Pearl Kite
- Pearled Treerunner
- Pearly-eyed Thrasher
- Pere David's Snowfinch
- Peregrine Falcon
- Peruvian Racket-tail
- Petit's Cuckooshrike
- Pheasant Cuckoo
- Philippine Eagle
- Philippine Falconet
- Philippine Frogmouth
- Philippine Hanging Parrot
- Philippine Hawk-Cuckoo
- Philippine Leafbird
- Philippine Magpie-Robin
- Philippine Megapode
- Philippine Oriole
- Philippine Serpent Eagle
- Philippine Spinetail
- Philippine Swiftlet
- Philippine Trogon
- Piapiac
- Picazuro Pigeon
- Picui Ground Dove
- Pied-billed Grebe
- Pied Avocet
- Pied Bush Chat
- Pied Butcherbird
- Pied Crow
- Pied Currawong
- Pied Honeyeater
- Pied Imperial Pigeon
- Pied Kingfisher
- Pied Oystercatcher
- Pied Plover
- Pied Puffbird
- Pied Starling
- Pied Stilt
- Pied Water Tyrant
- Pied Wheatear
- Pin-striped Tit-Babbler
- Pin-tailed Snipe
- Pin-tailed Whydah
- Pine Bunting
- Pine Grosbeak
- Pine Warbler
- Pink-backed Pelican
- Pink-eared Duck
- Pink-footed Goose
- Pink-footed Puffback
- Pink-spotted Fruit Dove
- Pink-throated Twinspot
- Pink Cockatoo
- Pink Robin
- Pinon's Imperial Pigeon
- Pintado Petrel
- Pipipi
- Pitta-like Ground Roller
- Plain-backed Pipit
- Plain-backed Sparrow
- Plain-brown Woodcreeper
- Plain-colored Seedeater
- Plain-colored Tanager
- Plain-mantled Tit-Spinetail
- Plain-tailed Wren
- Plain Greenbul
- Plain Honeyeater
- Plain Mountain Finch
- Plain Pigeon
- Plain Prinia
- Plains-wanderer
- Planalto Hermit
- Plate-billed Mountain Toucan
- Plum-crowned Parrot
- Plum-headed Parakeet
- Plumbeous Ibis
- Plumbeous Kite
- Plumbeous Rail
- Plumbeous Sierra Finch
- Plumbeous Water Redstart
- Plumed Whistling Duck
- Pollen's Vanga
- Pomarine Jaeger
- Powerful Owl
- Prairie Warbler
- Preuss's Cliff Swallow
- Pririt Batis
- Prong-billed Barbet
- Puerto Rican Amazon
- Puerto Rican Bullfinch
- Puerto Rican Emerald
- Puerto Rican Euphonia
- Puerto Rican Flycatcher
- Puerto Rican Lizard Cuckoo
- Puerto Rican Mango
- Puerto Rican Nightjar
- Puerto Rican Oriole
- Puerto Rican Spindalis
- Puerto Rican Tanager
- Puerto Rican Tody
- Puerto Rican Vireo
- Puerto Rican Woodpecker
- Puff-throated Babbler
- Purple-backed Fairywren
- Purple-banded Sunbird
- Purple-bearded Bee-eater
- Purple-bellied Lory
- Purple-bibbed Whitetip
- Purple-breasted Sunbird
- Purple-crested Turaco
- Purple-crowned Fairy
- Purple-crowned Lorikeet
- Purple-gaped Honeyeater
- Purple-headed Starling
- Purple-tailed Imperial Pigeon
- Purple-throated Euphonia
- Purple-throated Fruitcrow
- Purple-throated Woodstar
- Purple-winged Roller
- Purple Gallinule
- Purple Heron
- Purple Honeycreeper
- Purple Needletail
- Purple Roller
- Purple Sandpiper
- Purple Sunbird
- Purplish Jay
- Pygmy Cormorant
- Pygmy Cuckooshrike
- Pygmy Cupwing
- Pygmy Eagle
- Pygmy Flycatcher
- Pygmy Swiftlet