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  3. Blue Jay

One of the 4 jays on WAnimals

Birds · Passeriformes · Corvidae

Blue Jay

Cyanocitta cristata

Least Concern

The species is abundant and widely distributed; it faces no significant short-term risk.

Spotted something wrong?

The blue jay is a striking corvid of eastern North America, deep blue above and white below, with a black collar and an erectile crest. It is noisy, intelligent and notably opportunistic. It buries acorns by the thousand every autumn, and those it forgets germinate: it is credited with an important role in the northward spread of oaks after the last glaciation.

Weight

70 g – 100 g

Size

22 cm – 30 cm

Life expectancy

17 years

Diet

Omnivore

Combines animal and plant food depending on availability.

Activity

Diurnal

Active mainly during the day.

Social structure

In pairs

Usually lives in pairs, sometimes for life.

Sighting difficulty

Easy

Temperate forest
3countries38parks12same family

Fun facts

  • inteligenciaIt mimics the calls of raptors such as the red-tailed hawk with great accuracy, possibly to scare other birds off a food source.
  • Its blue does not exist as a pigment: the feathers contain brown melanin, and the colour comes from light scattering in internal microstructures. A crushed feather stops being blue and turns grey.
  • It imitates the cry of the red-tailed hawk to clear the bird feeders or to check whether a raptor is nearby.
  • A single jay is reckoned to be able to bury several thousand acorns in one autumn, and its ability to carry them for kilometres made it an engine of the spread of oak woods after the last glaciation.

Life cycle and biology

Skeleton type
Vertebrate - internal bony skeleton (bird)
Habitat and environment
Deciduous oak and beech woodland, parks and gardens of eastern North America
Size at birth
Altricial: born blind, naked or with sparse down and entirely dependent
Sexual maturity
12 months
Gestation / incubation
17 days
Litter / clutch size
4

Sources consulted: https://es.wikipedia.org/wiki/Cyanocitta_cristata

Where to find it

Best time: All year round in eastern North America, by day; in autumn it is very visible carrying and burying acorns.

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The pins mark the parks where its presence is documented.

Where to see it

Parks and dive sites where this species has been documented — showing 10 of 38.

Related species

Other species in the catalogue with the most in common with Blue Jay — same habitat, park, country, tags or family.

Same taxonomic family
Same taxonomic family
Same taxonomic family
Same taxonomic family
Shares a park
Shares a park

Keep exploring

Based on what we already know about blue jay.

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See full glossary
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See its range on the interactive map→
EvergladesUnited States
Great Smoky MountainsUnited States
AcadiaUnited States
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Gros MorneCanada
FundyCanada
Point PeleeCanada
VoyageursUnited States
Isle RoyaleUnited States
CongareeUnited States
See all 38 parks
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Nucifraga columbiana

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Cyanocitta stelleri

Common RavenLeast Concern

Common Raven

Corvus corax

Least Concern

Canada Jay

Perisoreus canadensis

Bald EagleLeast Concern

Bald Eagle

Haliaeetus leucocephalus

Least Concern

Wood Duck

Aix sponsa

CountriesCanada
ParksEvergladesUnited States
TagsOmnivore
Omnivore
Diurnal
In pairs
Bird
Temperate forest
Canada
United States
Mexico