If you’re looking for orioles in Idaho you will only find one kind. That is the Bullock’s oriole. The Bullock’s oriole is about 7” long, has a yellow and orange chest with black wings, a black cap and chin strap along with a stripe along the eye.
The Bullock’s oriole is a bird of the riparian areas, creeks, streams and rivers as well as the brush. Good places to locate him here in Idaho would include Silver Creek Preserve, along the Boise Greenbelt and the creeks of the Owyhees.
Both sexes of Bullock's Oriole sing, but the males and females sing different songs. The song of the female is similar to that of the male, but it ends differently and with harsher notes. Early in nesting period, and before and during nest-building, the female sings regularly, and may sing more than the male. Winters in riparian woodlands and woodlands edge, with some living in pine, pine-oak, or fir forests.
They build hanging nests, neatly woven of hair (especially horsehair), twine, fibers, grasses, and wool, and line them with cottonwood or willow cotton, wool, or feathers. The birds will place them in isolated trees, at edges of woodlands, along watercourses, in shelterbelts, and in urban parks, often near water.
The Bullock’s oriole song is a series of rich whistled notes interspersed with rattles,called a chatter.They glean and probe in trees and flowers for insects and nectar (caterpillars, fruits, insects, spiders) and visit feeders for sugar water.