🐦

Blue Jay

Cyanocitta cristata

Least Concern

体長

28.0 cm

翼開長

42.0 cm

体重

87.0 g

科

Corvidae

目

Passeriformes

について

アオカケスは鮮やかな羽毛と大きな鳴き声で知られるカラス科の大胆で知能が高い鳥。アオカケスは毎秋数千個のドングリを蓄えることでカシの木の重要な散布者となっている。複雑な社会的行動には、給餌器から他の鳥を追い払うためにタカの声を真似ることも含まれる。

Physical Description

Measurement	Value	Imperial
Body Length	28.0 cm	11.0 in
翼開長	42.0 cm	16.5 in
体重	87.0 g	3.07 oz

識別

羽毛

Bright blue upperparts with black barring on the wings and tail. White face and underparts with a black necklace. Prominent blue crest.

くちばし

Stout, straight black bill

Habitat & Range

Deciduous and mixed forests, parks, and suburban areas. Highly adaptable to human-modified landscapes.

🌲 Forest

分布域

Eastern and central North America from southern Canada to the Gulf Coast. Some populations migrate irregularly.

Diet & Feeding

Omnivorous — nuts (especially acorns), seeds, berries, insects, and occasionally eggs or nestlings of other birds. Caches thousands of acorns each fall.

保全状況

Least Concern

IUCN Red List

行動と繁殖

営巣

Nest type: CP,PL. Incubation: 17-18 days. Fledging: 17-21 days.

一腹卵数

2-7

鳴き声

さえずり

A harsh, ringing 'jaay-jaay-jaay'. Also mimics Red-tailed Hawk and other species convincingly. Gives soft, liquid 'bell' calls and gurgling whispers in flocks.

分類学

Kingdom	Animalia
Phylum	Chordata
Class	Aves
目	Passeriformes (Songbirds)
科	Corvidae (Crows, Jays & Magpies)
Genus	Cyanocitta
種	Cyanocitta cristata

External Databases

よくある質問

What does the Blue Jay eat?

Omnivorous — nuts (especially acorns), seeds, berries, insects, and occasionally eggs or nestlings of other birds. Caches thousands of acorns each fall.

Where does the Blue Jay live?

Deciduous and mixed forests, parks, and suburban areas. Highly adaptable to human-modified landscapes.

Is the Blue Jay endangered?

The Blue Jay has a conservation status of Least Concern.

How does the Blue Jay nest?

Nest type: CP,PL. Incubation: 17-18 days. Fledging: 17-21 days.

What does the Blue Jay sound like?

A harsh, ringing 'jaay-jaay-jaay'. Also mimics Red-tailed Hawk and other species convincingly. Gives soft, liquid 'bell' calls and gurgling whispers in flocks.

How big is the Blue Jay?

The Blue Jay has a body length of 28.0 cm, wingspan of 42.0 cm, weight of 87.0 g.

What order and family does the Blue Jay belong to?

The Blue Jay (Cyanocitta cristata) belongs to the order Passeriformes and the family Corvidae.