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A photo of a Blue Jay (Cyanocitta cristata)
Blue Jay

Blue Jay

Cyanocitta cristata

The Blue Jay, a member of the Corvidae family, is a striking bird native to eastern North America. It is easily recognized by its vibrant blue plumage, white underparts, and distinctive blue crest. A black, U-shaped collar adorns its neck, with a black border trailing behind the crest. Both sexes are similar in appearance, and their plumage remains consistent throughout the year.

Identification Tips

To identify a Blue Jay, look for the following characteristics: a size ranging from 22 to 30 cm (9–12 in) from bill to tail, a weight between 70–100 g (2.5–3.5 oz), and a wingspan of 34–43 cm (13–17 in). The crest on the head is a key feature, which the bird can raise or lower. The bird's blue coloration is most vibrant on the crest, back, wings, and tail, with a contrasting white face and off-white underside.

Habitat

Blue Jays are adaptable and can be found in various habitats, including deciduous and coniferous forests, residential areas, and mixed woodlands with oaks and beeches. They are less common in denser forests and have adapted well to human activity.

Distribution

This species is widespread across southern Canada and the eastern and central United States, extending as far south as Florida and northeastern Texas. Some populations in the northernmost parts of its range may migrate seasonally.

Behaviour

Blue Jays are known for their intelligence and curiosity. They are bold and aggressive, especially when defending their territory. They may mob predators and have been observed using mimicry to deter competition. Blue Jays are also known to cache food for later consumption.

Song & Calls

The Blue Jay has a wide repertoire of vocalizations, including the familiar "jay" call. They can mimic the calls of hawks and are known for their loud, gull-like alarm call. Their "rusty pump" call is a quieter, squeaky sound used among individuals in close proximity.

Breeding

Blue Jays form monogamous pair bonds and both sexes participate in nest building and rearing the young. Nests are typically built in trees at heights of 3 to 10 m (10 to 33 ft). Clutches consist of 2 to 7 eggs, which are blueish or light brown with darker spots. The young are altricial and stay with their parents for one to two months after hatching.

Similar Species

The Blue Jay can be confused with other jay species, but its distinctive coloration and crest make it relatively easy to distinguish.

Diet and Feeding

The diet of the Blue Jay is primarily composed of seeds and nuts, such as acorns, as well as soft fruits, arthropods, and occasionally small vertebrates. They are known to hide food to eat later and are adept at using their strong bills to crack open nuts.

Conservation status

The Blue Jay is currently listed as Least Concern by the IUCN Red List of Threatened Species, indicating that it is not at immediate risk of population decline.

Blue Jay Sounds



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