List of birds that resemble an Oriole:
Western Tanager
Barn Swallow
Evening Grosbeak
Yellow-headed Blackbird
American Goldfinch
Golden-cheeked Warbler
Black-headed Grosbeak
Varied Thrush
American Robin
Icterid Blackbird
Orange-Backed Troupial
Western Spindalis
Flame-colored Tanager
Green-and-rufous Kingfisher
Northern Red Bishop
Spotted Towhee
Blackburnian Warbler
Brambling
American Redstart
Blackburnian Warbler
Vermilion Flycatcher
Suberb Startling
Eastern Towhee
Compare to this photo of an Oriole:
