A small song bird (Sialia sialis), very common in the United States, and, in the north, one of the earliest to arrive in spring. The male is blue, with the breast reddish. It is related to the European robin.
Each week, I post a video about some 'Pigeon of Discontent' raised by a reader. Because, as much as we try to find the 'Bluebird of Happiness,' we're also plagued by those small but pesky 'Pigeons of Discontent.' Gretchen Rubin
The Bluebird of Happiness long absent from his life, Ned is visited by the Chicken of Depression. Gary Larson
A man's interest in a single bluebird is worth more than a complete but dry list of the fauna and flora of a town. Henry David Thoreau