Blue Jay

Cyanocitta cristata




Crows and Jays (Corvidae)

Code 4


Code 6



Egg Color:

Pale blue green or green blue with brown marks

Number of Eggs:

3 - 7

Incubation Days:

16 - 18

Egg Incubator:

Both sexes

Nest Location:

As high as 50 feet above ground.

Nest Material:

Twigs, bark, moss, grass, and sometimes paper and string.





Blue Jay: Medium-sized, noisy jay with bright blue upperparts, pale gray underparts, distinct head crest, and neck surrounded with a curious black necklace. Black-barred wings and tail have prominent white patches. Sexes are similar.

Range and Habitat

Blue Jay: Resident species east of the Rockies, from southern Canada south to the Gulf of Mexico, but is slowly encroaching westward. Breeds as far north as central Canada. During winter, may travel into the Pacific Northwest. Preferred habitats include evergreen forests, farmlands, groves, and suburbs.

Breeding and Nesting

Blue Jay: Three to seven brown marked, light blue green or green blue eggs are laid in a coarsely built nest made of sticks, lined with grass, and well concealed in a tree, often a conifer. Incubation ranges from 16 to 18 days and is carried out by both parents.

Foraging and Feeding

Blue Jay: Feeds on fruits, nuts, seeds, insects, mice, and frogs; sometimes robs other nests for young birds and eggs. Opens nuts by holding them in place with feet and hammering the shell with bill.

Readily Eats

Cracked Corn, Suet, Nuts, Sunflower


Blue Jay: Calls include raucous, harsh cries, and a rich variety of other sounds. Also makes a musical "queedle-queedle."

Similar Species

Blue Jay: Steller's Jay has dark underparts, and black head and chest.


Belly, undertail coverts, chest, flanks, and foreneck.

Back, rump, hindneck, wings, and crown.
Tufts of feathers on the head of the bird.
Parts of a Standing bird X
Head Feathers and Markings X
Parts of a Flying bird X