- Pacific-slope Flycatcher
- Pacific Baza
- Pacific Black Duck
- Pacific Elaenia
- Pacific Emerald Dove
- Pacific Golden Plover
- Pacific Gull
- Pacific Hornero
- Pacific Imperial Pigeon
- Pacific Long-tailed Cuckoo
- Pacific Loon
- Pacific Parrotlet
- Pacific Pygmy Owl
- Pacific Reef Heron
- Pacific Robin
- Pacific Swift
- Pacific Wren
- Paddyfield Pipit
- Paddyfield Warbler
- Painted Bunting
- Painted Parakeet
- Painted Sandgrouse
- Painted Spurfowl
- Painted Stork
- Painted Whitestart
- Pale-bellied Tyrant-Manakin
- Pale-billed Flowerpecker
- Pale-billed Hornbill
- Pale-billed Scrubwren
- Pale-billed Sicklebill
- Pale-breasted Thrush
- Pale-browed Tinamou
- Pale-browed Treehunter
- Pale-fronted Nigrita
- Pale-headed Brushfinch
- Pale-legged Hornero
- Pale-legged Leaf Warbler
- Pale-mandibled Aracari
- Pale-naped Brushfinch
- Pale-olive Greenbul
- Pale-vented Pigeon
- Pale-vented Thrush
- Pale-winged Trumpeter
- Pale Batis
- Pale Blue Flycatcher
- Pale Chanting Goshawk
- Pale Flycatcher
- Pale Prinia
- Pale Rosefinch
- Pallas's Fish Eagle
- Pallas's Gull
- Pallas's Leaf Warbler
- Pallas's Sandgrouse
- Pallid Harrier
- Pallid Honeyguide
- Pallid Scops Owl
- Pallid Swift
- Palm-nut Vulture
- Palm Cockatoo
- Palm Tanager
- Palm Warbler
- Pangani Longclaw
- Papuan Babbler
- Papuan Black Myzomela
- Papuan Frogmouth
- Papuan Grassbird
- Papuan Harrier
- Papuan Logrunner
- Papuan Mountain Pigeon
- Papuan Parrotfinch
- Papuan Scrubwren
- Papuan Spine-tailed Swift
- Papuan Treecreeper
- Papyrus Gonolek
- Paradise Drongo
- Paradise Jacamar
- Paradise Shelduck
- Paradise Tanager
- Parakeet Auklet
- Paramo Seedeater
- Parasitic Jaeger
- Parker's Antbird
- Parrot-billed Sparrow
- Parrot Crossbill
- Patagonian Mockingbird
- Patagonian Tinamou
- Pauraque
- Peaceful Dove
- Peacock Coquette
- Pearl-spotted Owlet
- Pearl Kite
- Pearled Treerunner
- Pearly-vented Tody-Tyrant
- Pectoral-patch Cisticola
- Pectoral Antwren
- Pectoral Sandpiper
- Pectoral Sparrow
- Pel's Fishing Owl
- Pelagic Cormorant
- Pemba Green Pigeon
- Pemba Scops Owl
- Pemba Sunbird
- Pemba White-eye
- Pennant-winged Nightjar
- Pere David's Snowfinch
- Peregrine Falcon
- Pernambuco Foliage-gleaner
- Peruvian Meadowlark
- Peruvian Tyrannulet
- Peruvian Warbling Antbird
- Pesquet's Parrot
- Petit's Cuckooshrike
- Phainopepla
- Pheasant-tailed Jacana
- Pheasant Coucal
- Philippine Cuckoo-Dove
- Picui Ground Dove
- Pied-billed Grebe
- Pied Avocet
- Pied Bush Chat
- Pied Crow
- Pied Currawong
- Pied Goshawk
- Pied Harrier
- Pied Heron
- Pied Kingfisher
- Pied Plover
- Pied Shrike-babbler
- Pied Starling
- Pied Water Tyrant
- Pied Wheatear
- Pigeon Guillemot
- Pin-striped Tit-Babbler
- Pin-tailed Green Pigeon
- Pin-tailed Manakin
- Pin-tailed Whydah
- Pine Bunting
- Pine Grosbeak
- Pine Siskin
- Pink-billed Lark
- Pink-breasted Lark
- Pink-browed Rosefinch
- Pink-eared Duck
- Pink-footed Goose
- Pink-headed Fruit Dove
- Pink-rumped Rosefinch
- Pink-spotted Fruit Dove
- Pinnated Bittern
- Pinon's Imperial Pigeon
- Pinyon Jay
- Piping Hornbill
- Pipipi
- Piratic Flycatcher
- Pitt Shag
- Piura Hemispingus
- Plain-backed Pipit
- Plain-backed Sunbird
- Plain-bellied Emerald
- Plain-breasted Ground Dove
- Plain-brown Woodcreeper
- Plain-colored Seedeater
- Plain-throated Antwren
- Plain-winged Antshrike
- Plain Chachalaca
- Plain Flowerpecker
- Plain Gerygone
- Plain Honeyeater
- Plain Mountain Finch
- Plain Parakeet
- Plain Prinia
- Plain Swift
- Plain Xenops
- Plains-wanderer
- Plaintive Cuckoo
- Planalto Hermit
- Planalto Slaty Antshrike
- Planalto Woodcreeper
- Plate-billed Mountain Toucan
- Plum-faced Lorikeet
- Plum-headed Parakeet
- Plumbeous-backed Thrush
- Plumbeous Kite
- Plumbeous Pigeon
- Plumbeous Rail
- Plumbeous Sierra Finch
- Plumbeous Vireo
- Plumbeous Water Redstart
- Plumed Whistling Duck
- Plushcap
- Point-tailed Palmcreeper
- Polynesian Starling
- Polynesian Triller
- Polynesian Wattled Honeyeater
- Pomarine Jaeger
- Powerful Woodpecker
- Prairie Warbler
- Preuss's Cliff Swallow
- Preuss's Weaver
- Principe Seedeater
- Principe Speirops
- Principe Starling
- Principe Sunbird
- Principe Thrush
- Principe Weaver
- Principe White-eye
- Pririt Batis
- Prothonotary Warbler
- Przevalski's Finch
- Przevalski's Nuthatch
- Przevalski's Partridge
- Przevalski's Redstart
- Puff-backed Bulbul
- Puff-throated Babbler
- Pulitzer's Longbill
- Puna Thistletail
- Purple-banded Sunbird
- Purple-bellied Lory
- Purple-bibbed Whitetip
- Purple-chested Hummingbird
- Purple-crested Turaco
- Purple-gaped Honeyeater
- Purple-throated Cuckooshrike
- Purple-throated Sunangel
- Purple-throated Woodstar
- Purple Grenadier
- Purple Heron
- Purple Honeycreeper
- Purple Martin
- Purple Roller
- Purple Sandpiper
- Purple Sunbird
- Purplish Jacamar
- Pycroft's Petrel
- Pygmy Batis
- Pygmy Cormorant
- Pygmy Cupwing
- Pygmy Eagle
- Pygmy Falcon
- Pygmy Nightjar
- Pygmy Nuthatch
- Pygmy Sunbird