| View | Pandion haliaetus | Osprey | |
| View | Parkesia motacilla | Louisiana Waterthrush | |
| View | Parkesia noveboracensis | Northern Waterthrush | |
| View | Passer domesticus | House Sparrow | |
| View | Passerculus sandwichensis | Savannah Sparrow | |
| View | Passerella iliaca | Fox Sparrow | |
| View | Passerina amoena | Lazuli Bunting | |
| View | Passerina caerulea | Blue Grosbeak | |
| View | Passerina ciris | Painted Bunting | |
| View | Passerina cyanea | Indigo Bunting | |
| View | Patagioenas fasciata | Band-tailed Pigeon | |
| View | Patagioenas leucocephala | White-crowned Pigeon | |
| View | Pelagodroma marina | White-faced Storm-Petrel | |
| View | Pelecanus erythrorhynchos | American White Pelican | |
| View | Pelecanus occidentalis | Brown Pelican | |
| View | Petrochelidon fulva | Cave Swallow | |
| View | Petrochelidon pyrrhonota | Cliff Swallow | |
| View | Peucaea aestivalis | Bachman's Sparrow | |
| View | Peucaea cassinii | Cassin's Sparrow | |
| View | Phaethon aethereus | Red-billed Tropicbird | |
| View | Phaethon lepturus | White-tailed Tropicbird | |
| View | Phalacrocorax carbo | Great Cormorant | |
| View | Phalaropus fulicarius | Red Phalarope | |
| View | Phalaropus lobatus | Red-necked Phalarope | |
| View | Phalaropus tricolor | Wilson's Phalarope | |
| View | Phasianus colchicus | Ring-necked Pheasant | |
| View | Pheucticus ludovicianus | Rose-breasted Grosbeak | |
| View | Pheucticus melanocephalus | Black-headed Grosbeak | |
| View | Phoenicopterus ruber | American Flamingo | |
| View | Pinicola enucleator | Pine Grosbeak | |
| View | Pipilo chlorurus | Green-tailed Towhee | |
| View | Pipilo erythrophthalmus | Eastern Towhee | |
| View | Pipilo maculatus | Spotted Towhee | |
| View | Piranga ludoviciana | Western Tanager | |
| View | Piranga olivacea | Scarlet Tanager | |
| View | Piranga rubra | Summer Tanager | |
| View | Platalea ajaja | Roseate Spoonbill | |
| View | Plectrophenax nivalis | Snow Bunting | |
| View | Plegadis chihi | White-faced Ibis | |
| View | Plegadis falcinellus | Glossy Ibis | |
| View | Pluvialis dominica | American Golden-Plover | |
| View | Pluvialis fulva | Pacific Golden-Plover | |
| View | Pluvialis squatarola | Black-bellied Plover | |
| View | Podiceps auritus | Horned Grebe | |
| View | Podiceps grisegena | Red-necked Grebe | |
| View | Podiceps nigricollis | Eared Grebe | |
| View | Podilymbus podiceps | Pied-billed Grebe | |
| View | Poecile atricapillus | Black-capped Chickadee | |
| View | Poecile carolinensis | Carolina Chickadee | |
| View | Polioptila caerulea | Blue-gray Gnatcatcher | |
| View | Pooecetes gramineus | Vesper Sparrow | |
| View | Porphyrio martinicus | Purple Gallinule | |
| View | Porzana carolina | Sora | |
| View | Progne subis | Purple Martin | |
| View | Protonotaria citrea | Prothonotary Warbler | |
| View | Pseudobulweria rostrata | Tahiti Petrel | |
| View | Pterodroma arminjoniana | Trindade Petrel | |
| View | Pterodroma cahow | Bermuda Petrel | |
| View | Pterodroma feae | Fea's Petrel | |
| View | Pterodroma hasitata | Black-capped Petrel | |
| View | Pterodroma madeira | Zino's Petrel | |
| View | Puffinus lherminieri | Sargasso Shearwater | |
| View | Puffinus puffinus | Manx Shearwater | |
| View | Pyrocephalus rubinus | Vermilion Flycatcher |