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The Canada jay (Perisoreus canadensis), also known as the grey jay, gray jay, camp robber, or whisky jack, is a passerine bird of the family Corvidae.It is found in boreal forests of North America north to the tree line, and in the Rocky Mountains subalpine zone south to New Mexico and Arizona.
A jay is a member of a number of species of medium-sized, usually colorful and noisy, passerine birds in the crow family, Corvidae. The evolutionary relationships between the jays and the magpies are rather complex.
Singing of Eurasian jay, Paris Calls of Eurasian jay, Crimea. The most characteristic call is a harsh, rasping screech that is used upon sighting various predators and as an advertising call. The jay is well known for its mimicry, often sounding so like a different species that it is difficult to distinguish its true identity unless the bird is ...
The genus Perisoreus is a very small genus of jays from the Boreal regions of North America and Eurasia from Scandinavia to the Asian seaboard. An isolated species also occurs in north-western Sichuan of China. They belong to the Passerine order of birds in the family Corvidae. Species of Perisoreus jays are most closely related to the genus ...
The Mexican jay is a medium-large (~120 g) passerine similar in size to most other jays, with a blue head, blue-gray mantle, blue wings and tail, and pale gray breast and underparts. The sexes are morphologically similar, and juveniles differ only in having less blue coloration and, in some populations, a pink/pale (instead of black) bill that ...
Feathers on a Blue Jay are mostly blue, with a touch of white on the tip, while a black horizontal pattern breaks up the blue a bit, depending on where the feather came off of the bird.
The pinyon jay is a bluish-grey coloured bird with deeper head colouring and whitish throat with black bill, legs and feet.Roughly intermediate between the blue jay and the Eurasian jay in size, its overall proportions are similar to Clark's nutcracker (Nucifraga columbiana) and this can be seen as convergent evolution, as both birds fill similar ecological niches.
Steller's jay (Cyanocitta stelleri) is a bird native to western North America and the mountains of Central America, closely related to the blue jay (C. cristata) found in eastern North America. It is the only crested jay west of the Rocky Mountains .