| Common Name | Scientific name |
|---|---|
| Western Sandpiper | Calidris mauri |
| Western Screech-Owl | Megascops kennicottii |
| Western Spindalis | Spindalis zena |
| Western Tanager | Piranga ludoviciana |
| Western Wood-Pewee | Contopus sordidulus |
| Western Yellow Wagtail | Motacilla flava |
| Whimbrel | Numenius phaeopus |
| Whinchat | Saxicola rubetra |
| Whiskered Auklet | Aethia pygmaea |
| Whiskered Screech-Owl | Megascops trichopsis |
| Whiskered Tern | Chlidonias hybrida |
| Whistling Heron | Syrigma sibilatrix |
| Whistling Warbler | Catharopeza bishopi |
| White Hawk | Pseudastur albicollis |
| White Stork | Ciconia ciconia |
| White Tern | Gygis alba |
| White Wagtail | Motacilla alba |
| White's Thrush | Zoothera aurea |
| White-bellied Antbird | Myrmeciza longipes |
| White-bellied Chachalaca | Ortalis leucogastra |
| White-bellied Emerald | Amazilia candida |
| White-bellied Mountain-gem | Lampornis hemileucus |
| White-bellied Wren | Uropsila leucogastra |
| White-breasted Nuthatch | Sitta carolinensis |
| White-breasted Thrasher | Ramphocinclus brachyurus |
RingBase adheres to EURING codes.
