| View | Ardenna pacifica | Wedge-tailed Shearwater | |
| View | Ardea ibis | Western Cattle-Egret | |
| View | Empidonax difficilis | Western Flycatcher | |
| View | Aechmophorus occidentalis | Western Grebe | |
| View | Tyrannus verticalis | Western Kingbird | |
| View | Sturnella neglecta | Western Meadowlark | |
| View | Calidris mauri | Western Sandpiper | |
| View | Piranga ludoviciana | Western Tanager | |
| View | Numenius phaeopus | Whimbrel | |
| View | Eudocimus albus | White Ibis | |
| View | Motacilla alba | White Wagtail | |
| View | Sitta carolinensis | White-breasted Nuthatch | |
| View | Anas bahamensis | White-cheeked Pintail | |
| View | Patagioenas leucocephala | White-crowned Pigeon | |
| View | Zonotrichia leucophrys | White-crowned Sparrow | |
| View | Vireo griseus | White-eyed Vireo | |
| View | Plegadis chihi | White-faced Ibis | |
| View | Pelagodroma marina | White-faced Storm-Petrel | |
| View | Calidris fuscicollis | White-rumped Sandpiper | |
| View | Elanus leucurus | White-tailed Kite | |
| View | Phaethon lepturus | White-tailed Tropicbird | |
| View | Zonotrichia albicollis | White-throated Sparrow | |
| View | Aeronautes saxatalis | White-throated Swift | |
| View | Loxia leucoptera | White-winged Crossbill | |
| View | Zenaida asiatica | White-winged Dove | |
| View | Melanitta deglandi | White-winged Scoter | |
| View | Chlidonias leucopterus | White-winged Tern | |
| View | Grus americana | Whooping Crane | |
| View | Meleagris gallopavo | Wild Turkey | |
| View | Tringa semipalmata | Willet | |
| View | Empidonax traillii | Willow Flycatcher | |
| View | Phalaropus tricolor | Wilson's Phalarope | |
| View | Anarhynchus wilsonia | Wilson's Plover | |
| View | Gallinago delicata | Wilson's Snipe | |
| View | Oceanites oceanicus | Wilson's Storm-Petrel | |
| View | Cardellina pusilla | Wilson's Warbler | |
| View | Troglodytes hiemalis | Winter Wren | |
| View | Aix sponsa | Wood Duck | |
| View | Mycteria americana | Wood Stork | |
| View | Hylocichla mustelina | Wood Thrush | |
| View | Helmitheros vermivorum | Worm-eating Warbler |