The lovely mountain bluebird (Sialia arctcia) was designated the official state bird of Idaho in 1931. The male mountain bluebird is a brilliant sky-blue, the female is gray with blue on her wings and tail. The bluebird family is especially plentiful in Idaho's mountains. Idaho recognizes two bird symbols; the peregrine falcon is the official state raptor. The mountain bluebird is also the state bird of Nevada.
The mountain bluebird is a small thrush found on ranchland and other open areas of the American West. It prefers more open habitats than other bluebirds and can be found in colder habitats in winter. Only the female bluebird builds the nest. The male sometimes acts as if he is helping, but he either brings no nest material or he drops it on the way.
Mountain bluebirds hover over the ground and fly down to catch insects, and may also fly from a perch to catch them. Their main diet consists of insects and berries. They may forage in flocks in winter.