- Pacific Hornero
- Pacific Parrotlet
- Pacific Pygmy Owl
- Pale-billed Antpitta
- Pale-edged Flycatcher
- Palm Tanager
- Paradise Tanager
- Paramo Pipit
- Parrot-billed Seedeater
- Patagonian Sierra Finch
- Patagonian Tyrant
- Pearl Kite
- Pearled Treerunner
- Pectoral Sandpiper
- Peregrine Falcon
- Peruvian Booby
- Peruvian Meadowlark
- Peruvian Pelican
- Peruvian Pipit
- Peruvian Plantcutter
- Peruvian Seaside Cinclodes
- Peruvian Sheartail
- Peruvian Sierra Finch
- Peruvian Tern
- Peruvian Thick-knee
- Peruvian Wren
- Pied-billed Grebe
- Pied Kingfisher
- Pied Plover
- Pink-footed Shearwater
- Piura Chat-Tyrant
- Plain-brown Woodcreeper
- Plain-mantled Tit-Spinetail
- Plain-throated Antwren
- Plum-crowned Parrot
- Plumbeous Pigeon
- Plumbeous Rail
- Plumbeous Sierra Finch
- Puna Ground Tyrant
- Puna Ibis
- Puna Miner
- Puna Pipit
- Puna Plover
- Puna Snipe
- Puna Teal
- Purple-collared Woodstar
- Purple-throated Euphonia
- Purple-throated Sunangel
- Purple Gallinule
- Purple Starling