The blue jay is between 9 and 12 inches long. It is bright blue on top and white to gray on its throat, chest and belly. It has a gray-blue crest on its head and black and white bars on its wings and tail. Its bill, legs and feet are black. It also has a black "necklace" on its lower throat.
The blue jay is found in southern Canada and in the United States, east of the Rock Mountains. The blue jay is a migrator and northern populations will move south in the winter.
The blue jay is common in deciduous forests. It is also found in residential areas.