- Pacific Black Duck
- Pacific Gull
- Pacific Kingfisher
- Pacific Loon
- Pacific Reef Heron
- Paddyfield Pipit
- Painted Stork
- Pale-billed Flowerpecker
- Pale-breasted Thrush
- Pale-headed Rosella
- Pale-legged Hornero
- Pale-vented Pigeon
- Pale-winged Starling
- Pale Chanting Goshawk
- Pale Crag Martin
- Pallid Harrier
- Palm-nut Vulture
- Palm Tanager
- Pangani Longclaw
- Papuan Frogmouth
- Parasitic Jaeger
- Parrot-billed Sparrow
- Patagonian Sierra Finch
- Patagonian Tyrant
- Pauraque
- Peaceful Dove
- Peach-fronted Parakeet
- Pearl-spotted Owlet
- Peruvian Booby
- Peruvian Pelican
- Petit's Cuckooshrike
- Pheasant-tailed Jacana
- Piapiac
- Picazuro Pigeon
- Picui Ground Dove
- Pied-billed Grebe
- Pied Avocet
- Pied Bush Chat
- Pied Crow
- Pied Currawong
- Pied Kingfisher
- Pied Oystercatcher
- Pied Stilt
- Pied Wheatear
- Pigeon Guillemot
- Pin-tailed Sandgrouse
- Pin-tailed Whydah
- Pine Grosbeak
- Pink-backed Pelican
- Pink-breasted Lark
- Pintado Petrel
- Piping Plover
- Pitta-like Ground Roller
- Plain-backed Pipit
- Plain Greenbul
- Plain Prinia
- Plum-headed Parakeet
- Plumbeous Ibis
- Plumbeous Sierra Finch
- Plumbeous Water Redstart
- Plush-crested Jay
- Pririt Batis
- Puna Ground Tyrant
- Puna Ibis
- Puna Teal
- Puna Tinamou
- Purple-crested Turaco
- Purple-rumped Sunbird
- Purple-throated Euphonia
- Purple-throated Mountaingem
- Purple Gallinule
- Purple Grenadier
- Purple Heron
- Purple Martin
- Purple Roller
- Purple Sandpiper
- Purple Starling
- Purple Sunbird
- Purplish Jay
- Pygmy Cormorant
- Pygmy Falcon
- Pygmy Sunbird