Blue Jay
Cyanocitta cristata
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The blue jay is a bold, intelligent member of the corvid family known for its striking plumage and loud calls. Blue jays are important dispersers of oak trees, as they cache thousands of acorns each autumn. Their complex social behavior includes mimicking the calls of hawks to scare other birds from feeders.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| Body Length | 28.0 cm | 11.0 in |
| กว้างปีก | 42.0 cm | 16.5 in |
| น้ำหนัก | 87.0 g | 3.07 oz |
การยืนยันชนิดพันธุ์
ขนนก
Bright blue upperparts with black barring on the wings and tail. White face and underparts with a black necklace. Prominent blue crest.
ปาก
Stout, straight black bill
Habitat & Range
Deciduous and mixed forests, parks, and suburban areas. Highly adaptable to human-modified landscapes.
อาณาเขตทางภูมิศาสตร์
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.
สถานะการอนุรักษ์
พฤติกรรมและการผสมพันธุ์
การทำรัง
Nest type: CP,PL. Incubation: 17-18 days. Fledging: 17-21 days.
จำนวนไข่
2-7
เสียง
เสียงร้อง
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.
อนุกรมวิทยา
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| อันดับ | Passeriformes (Songbirds) |
| วงศ์ตระกูล | Corvidae (Crows, Jays & Magpies) |
| Genus | Cyanocitta |
| ชนิดพันธุ์ | Cyanocitta cristata |
External Databases
คำถามที่พบบ่อย
What does the Blue Jay eat?
Where does the Blue Jay live?
Is the Blue Jay endangered?
How does the Blue Jay nest?
What does the Blue Jay sound like?
How big is the Blue Jay?
What order and family does the Blue Jay belong to?
Similar Birds
Other species in the Corvidae family