- Pacific Baza
- Pacific Black Duck
- Pacific Emerald Dove
- Pacific Golden Plover
- Pacific Gull
- Pacific Hornero
- Pacific Parakeet
- Pacific Parrotlet
- Pacific Pygmy Owl
- Pacific Reef Heron
- Pacific Swallow
- Paddyfield Pipit
- Painted Bunting
- Painted Sandgrouse
- Painted Stork
- Pale-billed Flowerpecker
- Pale-billed Woodpecker
- Pale-breasted Spinetail
- Pale-breasted Thrush
- Pale-mandibled Aracari
- Pale-vented Pigeon
- Pale-winged Starling
- Pale-yellow Robin
- Pale Chanting Goshawk
- Pallas's Leaf Warbler
- Pallid Harrier
- Pallid Scops Owl
- Palm-nut Vulture
- Palm Tanager
- Palm Warbler
- Palmchat
- Pampa Finch
- Panama Flycatcher
- Paperbark Flycatcher
- Paradise Shelduck
- Paradise Tanager
- Parrot-billed Seedeater
- Parrot-billed Sparrow
- Parrot Crossbill
- Patagonian Mockingbird
- Peaceful Dove
- Peach-fronted Parakeet
- Pearl-spotted Owlet
- Pearly-eyed Thrasher
- Pearly-vented Tody-Tyrant
- Pectoral-patch Cisticola
- Pectoral Sandpiper
- Pelagic Cormorant
- Peregrine Falcon
- Peregrine Falcon (pelegrinoides)
- Persian Shearwater
- Peruvian Booby
- Peruvian Meadowlark
- Peruvian Pelican
- Peruvian Sierra Finch
- Peruvian Thick-knee
- Phainopepla
- Pheasant-tailed Jacana
- Pheasant Coucal
- Pheasant Cuckoo
- Picazuro Pigeon
- Picui Ground Dove
- Pied-billed Grebe
- Pied Avocet
- Pied Bush Chat
- Pied Butcherbird
- Pied Crow
- Pied Currawong
- Pied Heron
- Pied Imperial Pigeon
- Pied Kingfisher
- Pied Oystercatcher
- Pied Puffbird
- Pied Stilt
- Pigeon Guillemot
- Pin-tailed Sandgrouse
- Pin-tailed Whydah
- Pine Bunting
- Pine Warbler
- Pink-backed Pelican
- Pink-breasted Lark
- Pink-footed Goose
- Pink Cockatoo
- Pink Pigeon
- Piratic Flycatcher
- Pitta-like Ground Roller
- Plain-backed Pipit
- Plain-bellied Emerald
- Plain-brown Woodcreeper
- Plain-mantled Tit-Spinetail
- Plain Antvireo
- Plain Chachalaca
- Plain Pigeon
- Plain Swift
- Plaintive Cuckoo
- Planalto Slaty Antshrike
- Planalto Woodcreeper
- Plate-billed Mountain Toucan
- Plum-headed Parakeet
- Plumbeous Ibis
- Plumbeous Pigeon
- Plumbeous Warbler
- Plumbeous Water Redstart
- Plumed Whistling Duck
- Plush-crested Jay
- Prairie Warbler
- Principe Seedeater
- Puerto Rican Lizard Cuckoo
- Puerto Rican Oriole
- Puerto Rican Spindalis
- Puerto Rican Tanager
- Puerto Rican Tody
- Puerto Rican Vireo
- Puerto Rican Woodpecker
- Puna Ibis
- Puna Miner
- Puna Snipe
- Puna Teal
- Puna Tinamou
- Puna Yellow Finch
- Purple-backed Fairywren
- Purple-bibbed Whitetip
- Purple-crowned Lorikeet
- Purple-throated Carib
- Purple-throated Mountaingem
- Purple-throated Woodstar
- Purple Gallinule
- Purple Grenadier
- Purple Heron
- Purple Martin
- Purple Roller
- Purple Sandpiper
- Purple Sunbird
- Purplish-backed Quail-Dove
- Purplish Jay
- Pygmy Batis
- Pygmy Cormorant
- Pygmy Falcon