The Blue Jay measures 22 to 30 cm (9 to 12 in) from bill to tail and weighs 70 to 100 g with a wingspan of 34 to 43 cm (13 to 17 in). Its plumage is lavender-blue to mid-blue in the crest, back, wings, and tail, and its face is white. The underside is off-white and the neck is collared with black which extends to the sides of the head. The wings and tail are strongly barred with black, sky-blue and white. The eyes are black. Males and females are nearly identical, but the male is a little larger.
Habitat and Distribution
The Blue Jay occurs from southern Canada through the eastern and central USA south to Florida and northeastern Texas. It is a regular visitor along the northern US and southern Canadian Pacific Coast. Blue Jays migrate during day time in flocks of 5- 250 along the Great Lakes and Atlancic coasts. It also habitats from the pine woods of Florida to the spruce-fir forests of northern Ontario.
The Blue Jay mainly feeds on nuts and seeds such as acorns, soft fruits, arthropods, and occasionally small vertebrates. It typically gleans food from tree.Hawks and instects are particularly target.
Breeeding starts in mid April to end July. Evergreen trees are prefered for nesting at a height of 3-10m. The nest is cup shaped. An average of 4-5 eggs are laid and incubated 16-18 days.
Calls and Songs
Blue Jays make a high pitched jayer-jayer call that increases in speed as the bird becomes more agitated. They can also mimic human speech and hawks' cries.