Species group · Birds
WAnimals has 4 species of jay, in the family Corvidae.
Ranges calculated from the profiles that record the figure, not from all 4.
Each one has its own full profile. This group does not replace them: it brings them together.
No species documented in this group is genuinely at risk according to the IUCN, with the data available today.
Recorded in 52 countries. The ones with the most species in the group:
Many of the acorns it buries are never recovered, and end up germinating.
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It can mimic the calls of other birds, including raptors such as the buzzard.
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It eats acorns and other nuts, insects, and the eggs and chicks of other birds.
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It can store seeds and acorns in hundreds of separate caches across its territory and remember roughly where they are months later.
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It imitates the call of the red-tailed hawk to clear the feeders: on hearing it the other birds flee and the jay is left alone with the food.
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It was described by Georg Wilhelm Steller in 1741, on the same Bering expedition on which he documented the sea cow and the sea lion that bear his name: the jay was one of the first proofs that the expedition had reached America.
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It mimics the calls of raptors such as the red-tailed hawk with great accuracy, possibly to scare other birds off a food source.
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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.
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