- Pale-bellied Tyrant-Manakin
- Pale-breasted Thrush
- Pale-browed Treehunter
- Pale-crested Woodpecker
- Pale-vented Pigeon
- Pale-winged Starling
- Pale Chanting Goshawk
- Pale Flycatcher
- Pallid Spinetail
- Palm-nut Vulture
- Palm Tanager
- Pampa Finch
- Paradise Tanager
- Patagonian Sierra Finch
- Pauraque
- Peach-fronted Parakeet
- Pearl-spotted Owlet
- Pearled Treerunner
- Pearly-bellied Seedeater
- Pearly-vented Tody-Tyrant
- Pectoral Sandpiper
- Pel's Fishing Owl
- Peruvian Booby
- Peruvian Pelican
- Peruvian Seaside Cinclodes
- Peruvian Sierra Finch
- Peruvian Thick-knee
- Picazuro Pigeon
- Picui Ground Dove
- Pied-billed Grebe
- Pied Avocet
- Pied Crow
- Pied Kingfisher
- Pied Plover
- Pied Starling
- Pin-tailed Manakin
- Pin-tailed Whydah
- Pink-backed Pelican
- Pink-throated Becard
- Piratic Flycatcher
- Plain-bellied Emerald
- Plain-breasted Ground Dove
- Plain-colored Seedeater
- Plain-crested Elaenia
- Plain-mantled Tit-Spinetail
- Plain-winged Woodcreeper
- Plain Antvireo
- Plain Parakeet
- Planalto Woodcreeper
- Plumbeous Ibis
- Plumbeous Rail
- Plumbeous Seedeater
- Plumbeous Sierra Finch
- Plush-crested Jay
- Plushcap
- Pririt Batis
- Puna Ibis
- Puna Plover
- Puna Tapaculo
- Puna Teal
- Puna Yellow Finch
- Purple-banded Sunbird
- Purple-crested Turaco
- Purple-throated Euphonia
- Purple Gallinule
- Purple Heron
- Purple Roller
- Purplish Jay
- Pygmy Falcon