AnimalvsAnimal
2025 05 23 Palmer Park Wildflowers Birds 294🐦‍⬛

Photo: mark byzewski · CC BY 2.0

SpeciesPasseriformesCorvidae
Birds

🐦‍⬛Blue Jay

Cyanocitta cristata (Linnaeus, 1758)

파랑어치(학명: Cyanocitta cristata) 또는 블루 제이(영어: blue jay)는 북아메리카에 서식하는 까마귀과의 철새이다. 미국 중동부 대부분의 지역에서 서식하며, 서부 개체들은 이주를 할 수 있다. 영어명인 블루 제이는 시끄럽고 수다스러운 본성 때문에 지어졌다. 영어권에서는 종종 "제이버드"(jaybird)라고도 부른다.

Text: Wikipedia, CC BY-SA 4.0.

Videos
302
Photos
5
Measurements
12
vs you
≈ 1/700th of your weight
Conservation status
LCLeast concern

IUCN Red List assessment, 2025.

Population trendStable
Key measurements
Body mass
0.09 kg
Body length
not recorded
Shoulder height
not recorded
Top speed
not recorded
Bite force
not recorded
Maximum lifespan
26 years
All measurements ↓
Facts and figures

Everything we know about the Blue Jay

Typical adult figures. Where a value is an estimate rather than a measurement, it says so.

Body mass
0.09 kg
AVONET
Other figures ↓

Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0

Figures vary

  • 0.08 kgAnAgeAnAge build 15, 2023-07-03 (HAGR)data quality: acceptable
Tail length
0.12 m
AVONET
Details ↓

Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0

Wing length
0.13 m
AVONET
Details ↓

Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0

Beak length
0.03 m
AVONET
Details ↓

Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0

Tarsus length
0.03 m
AVONET
Details ↓

Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0

Maximum lifespan
26 years
AnAge
Details ↓

data quality: acceptable

Source: AnAge · AnAge build 15, 2023-07-03 (HAGR) · CC BY 3.0

Gestation
17 days
AnAge
Details ↓

data quality: acceptable

Source: AnAge · AnAge build 15, 2023-07-03 (HAGR) · CC BY 3.0

Litter size
about 4
AnAge
Details ↓

data quality: acceptable

Source: AnAge · AnAge build 15, 2023-07-03 (HAGR) · CC BY 3.0

Trophic level
Omnivore
AVONET
Details ↓

Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0

Habitat
Woodland
AVONET
Details ↓

Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0

Lifestyle
Terrestrial
AVONET
Details ↓

Source: AVONET · v1.1 (Tobias et al. 2022) · CC BY 4.0

Volume l
0.1 Laverage
Details ↓

Body mass at ~1.0 kg/L, the density of vertebrate tissue.

average = a mean across sexes or species in a group.

Not recorded for Blue Jay yet: body length, shoulder height, top speed, bite force.

Where it sits

Family tree

  1. kingdomAnimalia
  2. ›phylumChordata
  3. ›classAves
  4. ›orderPasseriformes
  5. ›familyCorvidae
  6. ›genusCyanocitta
  7. ›speciesCyanocitta cristata
Full lineage
  1. orderSauria
  2. classBirds · Aves
  3. orderPerching birds · Passeriformes
  4. genusCyanocitta
All 11 branches ↓
  1. kingdomMetazoa
  2. phylumChordata
  3. subphylumCraniata
  4. subphylumVertebrata
  5. superclassGnathostomata
  6. superclassSarcopterygii
  7. superclassTetrapoda
  8. orderSauria
  9. classBirds · Aves
  10. orderPerching birds · Passeriformes
  11. genusCyanocitta
More

More about the Blue Jay

In other languages
Garsa blava (ca), sojka chocholatá (cs), Blå Skovskade (da), Blauhäher (de), Cyanocitta cristata (es), sinitöyhtönärhi (fi) … and 26 more languages
More photos
2025 05 23 Palmer Park Wildflowers Birds 2942025 05 23 Palmer Park Wildflowers Birds 296Blue jay fledgling (53513)
All 5 photos in the gallery →

카메라에 담긴 동물들

이 사이트에 실린 동물들의 실제 영상 — 사냥하고, 싸우고, 그냥 하루를 살아가는 모습까지 담았어요.

영상 302개 모두 보기 →
Tools

Compare the Blue Jay

Pick a tool — the Blue Jay is already selected.

Side by side

Compare every stat with any other animal.

997 animals to compareOpen →
Who's bigger?

Stand them on the same floor and see who's bigger.

680th heaviest of 783Open →
Scaling lab

How speed, brain and bite scale with body size. This animal isn't in the sample yet.

Not in the sampleOpen →
Tree of life

See where it sits in the tree of life.

11 branchesOpen →