- Pacific Hornero
- Pacific Parrotlet
- Pacific Pygmy Owl
- Pacific Reef Heron
- Pacific Swift
- Paddyfield Pipit
- Paddyfield Warbler
- Painted Stork
- Pale-billed Woodpecker
- Pale-breasted Spinetail
- Pale-breasted Thrush
- Pale-browed Treehunter
- Pale-edged Flycatcher
- Pale-headed Brushfinch
- Pale-legged Hornero
- Pale-legged Leaf Warbler
- Pale-mandibled Aracari
- Pale-naped Brushfinch
- Pale-vented Pigeon
- Pale-winged Starling
- Pale Chanting Goshawk
- Pale Thrush
- Pallas's Leaf Warbler
- Palm Tanager
- Palm Warbler
- Pampa Finch
- Paradise Tanager
- Paramo Ground Tyrant
- Parasitic Jaeger
- Pauraque
- Pearl Kite
- Pearled Treerunner
- Peregrine Falcon
- Peruvian Antpitta
- Peruvian Booby
- Peruvian Meadowlark
- Peruvian Pelican
- Peruvian Pipit
- Peruvian Seaside Cinclodes
- Peruvian Sierra Finch
- Peruvian Thick-knee
- Pheasant-tailed Jacana
- Picazuro Pigeon
- Picui Ground Dove
- Pied-billed Grebe
- Pied Avocet
- Pied Bush Chat
- Pied Crow
- Pied Kingfisher
- Pied Wheatear
- Pin-tailed Manakin
- Pin-tailed Sandgrouse
- Pine Bunting
- Pink-footed Goose
- Piping Plover
- Plain-backed Sparrow
- Plain-colored Seedeater
- Plain-crowned Spinetail
- Plain-winged Antshrike
- Plain Antvireo
- Plain Parakeet
- Plain Prinia
- Plain Swift
- Planalto Woodcreeper
- Plate-billed Mountain Toucan
- Plumbeous Antbird
- Plumbeous Kite
- Plumbeous Pigeon
- Plumbeous Rail
- Plumbeous Sierra Finch
- Plumbeous Water Redstart
- Powerful Woodpecker
- Prairie Warbler
- Pririt Batis
- Puff-throated Bulbul
- Puna Ibis
- Puna Plover
- Puna Snipe
- Puna Teal
- Puna Thistletail
- Purple-bibbed Whitetip
- Purple-crested Turaco
- Purple-rumped Sunbird
- Purple-throated Mountaingem
- Purple-throated Woodstar
- Purple Gallinule
- Purple Heron
- Purple Honeycreeper
- Purple Roller
- Purple Sandpiper
- Purple Sunbird
- Purplish Jay
- Pygmy Cormorant