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Cyanocitta cristata

(Northern Jay)

Common Names

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Click on the language to view common names.

Common Names in Czech:

Sojka Chocholatá, Sojka Chocholatá

Common Names in Danish:

Blå Skovskade

Common Names in Dutch:

Blauwe Gaai

Common Names in English:

Blue Coat, Blue Jay, Common Jay, Corn-Thief, Jay, Jay-Bird, Nest Robber, Northern Jay, Southern Jay

Common Names in Estonian:

Sininäär

Common Names in Finnish:

Sinitöyhtönärhi

Common Names in French:

Geai Bleu

Common Names in German:

Blauhäher, Blauhäher

Common Names in Italian:

Ghiandaia Azzurra, Ghiandaia Azzurra Americana

Common Names in Japanese:

Aokakesu, アオカケス

Common Names in Latin:

Cyanocitta cristata

Common Names in Norwegian:

Blåskrike

Common Names in Polish:

Modrosójka Blekitna

Common Names in Slovak:

Sojka Modrá

Common Names in Spanish:

Chara Azul, Urraca Azul

Common Names in Spanish (Mexico):

Chara Azul

Common Names in Swedish:

Blåskrika

Description

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Physical Description

Adult : Head : Crest : purplish Face : Chin: grayish white Color: grayish white Bill: black Length : long Neck: Collar : black line from breast to nape Throat : grayish white Body: Back: bright blue Upperparts: grayish white Legs : Foot Color: black Leg Color: black Tail: bright blue with thin black bars and white spots.

Size/Age/Growth

About 10-11 inches long, with a wingspan of 16 to 16 inches. Adults weigh about 3 ounces .

Habitat

Habitat preferences for this species includes a variety of forested situations from mature deciduous forest and wood margins to more urban or open wooded areas.

Ecology: List of Habitats : 1.1 Forest - Boreal 1.4 Forest - Temperate

Biology

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Diet

The diet of the Blue Jay is highly variable, including fruits, acorns , nuts, seeds, insects, small vertebrates , carrion , bird eggs , and bird nestlings.

Reproduction

The breeding season begins in mid-March, peaks in mid-April to May, and extends into July. The adults build a cup-shaped nest approximately 1.5-6 m (5-20 feet) high, preferably in an evergreen tree . The nest is built of twigs , small roots , bark strips, moss, other plant material , cloth, paper, and feathers , with occasional mud added to the cup . The female lays 3-7 (usually 4-5) eggs that she incubates for 16-18 days. The male feeds the female while she is incubating. The young are altricial and fledge 17-21 days after hatching . After the juveniles fledge, the family travels and forages together until early fall .

Migration

Migratory

Behavior

The Blue Jay is a common bird at bird feeders, and frequents urban areas.

Taxonomy

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Notes

Name Status: Accepted Name . Latest taxonomic scrutiny: 17-Oct-2001.

Similar Species

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Steller's Jay, Western Scrub Jay, Florida Scrub Jay

Members of the genus Cyanocitta

There are approximately 28 species in this genus:

C. coronata · C. cristata (Southern Jay) · C. cristata bromia · C. cristata burleighi · C. cristata cristata (Northern Jay) · C. cristata cyanotephra (Western Blue Jay) · C. cristata florincola (Florida Blue Jay) · C. cristata semplei (Semple's Blue Jay) · C. diademata · C. frontalis · C. galeata · C. stelleri (Queen Charlotte Jay) · C. stelleri annectens (Black-Headed Jay) · C. stelleri azteca · C. stelleri carbonacea (Coast Jay) · C. stelleri carlottae (Queen Charlotte Jay) · C. stelleri coronata · C. stelleri diademata (Long-Crested Jay) · C. stelleri frontalis (Blue-Fronted Jay) · C. stelleri litoralis · C. stelleri macrolopha (Long-Crested Jay) · C. stelleri paralia · C. stelleri percontatrix (Nevada Crested Jay) · C. stelleri purpurea · C. stelleri ridgwayi · C. stelleri stelleri (Queen Charlotte Jay) · C. stelleri suavis · C. turoosa

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal March 04, 2008:

Identifiers

Last Revised: 2009-06-19