Blue Jay

Cyanocitta cristata

The blue in a Blue Jay's feathers isn't pigment; it's a structural color caused by light scattering through the internal structure of the feathers.

Scientific name
Cyanocitta cristata
Taxonomy
Animalia › Chordata › Aves › Passeriformes › Corvidae › Cyanocitta
IUCN Red List status
Least Concern
Population trend
stable
Biome
forest
Habitat
Deciduous, coniferous, and mixed forests, as well as residential parks and gardens.
Diet
Omnivorous: primarily acorns, nuts, and seeds, but also insects, fruits, and occasionally small vertebrates or eggs.
Range
Eastern North America, Central North America, Southern Canada
Size
22-30 cm (9-12 in) length; 70-100g weight
Lifespan
7 to 10 years in the wild
Active
diurnal
Threats
Habitat fragmentation, window strikes, predation by domestic cats, and West Nile virus.
Safe to approach?
Harmless and observant. They may become defensive or 'dive-bomb' if you approach a nest with fledglings; if this occurs, calmly leave the area. They are not dangerous to humans.

The blue jay ( Cyanocitta cristata ) is a passerine bird in the family Corvidae, native to North America. It is resident through most of eastern and central United States, although western populations may be migratory. Resident populations are also found in Newfoundland, Canada, while breeding populations can be found in southern Canada. It breeds in both deciduous and coniferous forests, and is common near and in residential areas. It is predominantly blue with a white chest and...

Photo: Judy Gallagher, CC-BY, via iNaturalist

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