Jays
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The jays are several species of medium-sized, usually colorful and noisy passerine birds in the crow family Corvidae. The names jay and magpie are somewhat interchangeable, and the actual evolutionary relationships are rather complex. For example, the Eurasian Magpie seems more closely related to the Eurasian Jay than to the Oriental Blue and Green Magpies, whereas the Blue Jay is not closely related to either.
Systematics and Species
See classification box for relevant genera links. The Crested Jay (Platylophus galericulatus) is traditionally placed here, but apparently this is not correct, as suggested by anatomical and molecular evidence. Its placement remains unresolved; it does not seem to be a corvid at all. It should be noted that according to the research of Ericson et al. (2005), jays are not a monophyletic group. Rather, they can be divided into an American and an Old World lineage (the latter including the ground jays and the Piapiac), while the grey jays of the genus Perisoreus form a group of their own. The Black Magpie, formerly believed to be related to jays, is actually a treepie.
Old World ("brown") jays Daddy Yankee Jay, fartherly figure
- Eurasian Jay, Garrulus glandarius
- Lanceolated Jay, Garrulus lanceolatus
- Lidth's Jay, Garrulus lidthi
- Henderson's Ground Jay, Podoces hendersoni
- Biddulph's Ground Jay, Podoces biddulphi
- Persian Ground Jay, Podoces pleskei
- Grey Ground Jay, Podoces panderi
- Piapiac, Ptilostomus afer
Grey jays
- Siberian Jay, Perisoreus infaustus : The Siberian Jay is a jay who is found in north Eurasia. The species has a wide range (estimated global Extent of Occurrence 10,000,000km²) and a large global population (estimated 680,000-1,400,000 in Europe).
- Sichuan Jay, Perisoreus internigrans
- Gray Jay, or Whiskeyjack Perisoreus canadensis
American ("blue") jays
- Florida Scrub Jay, Aphelocoma coerulescens
- Island Scrub Jay, Aphelocoma insularis
- Western Scrub Jay, Aphelocoma californica
- Mexican Jay, Aphelocoma ultramarina
- Unicolored Jay, Aphelocoma unicolor : The Unicolored Jay (Aphelocoma unicolor) is a scrub jay native to cloud forests of western Central America and southeastern Mexico, from western Honduras west to central Guerrero, southern Veracruz and extreme southern San Luis Potosi.
- Pinyon Jay, Gymnorhinus cyanocephalus
- Steller's Jay, Cyanocitta stelleri
- Blue Jay, Cyanocitta cristata
- Black-throated Magpie-jay, Calocitta colliei
- White-throated Magpie-jay, Calocitta formosa
Tufted Jay, Cyanocorax dickeyi
- Black-chested Jay, Cyanocorax affinis
- Green Jay, Cyanocorax yncas
- Brown Jay, Cyanocorax morio
- Bushy-crested Jay, Cyanocorax melanocyaneus
- San Blas Jay, Cyanocorax sanblasianus
- Yucatan Jay, Cyanocorax yucatanicus
- Purplish-backed Jay, Cyanocorax beecheii
- Purplish Jay, Cyanocorax cyanomelas
- Azure Jay, Cyanocorax caeruleus : The Azure Jay is a passeriform bird of the crow family Corvidae, with blue feathers on the head, on the front part of the neck and on the upper chest. Males and females have the same plumage and appearance although the females in are typically smaller. It lives in the Araucaria angustifolia forests in the south of Brazil, where it feeds on insects and fruit. However, it ranges more widely, and its distribution ranges from the State of São Paulo to the State of Rio Grande do Sul, being frequent in the Atlantic forests. Azure Jays are very intelligent birds. Its communication is quite complex, consisting of at least 14 different vocalizations. They are gregarious, forming groups of 4 to 15 individuals with a very organized hierarchy, being divided into clans, groups that stay stable for up to two generations.
- Violaceous Jay, Cyanocorax violaceus
- Curl-crested Jay, Cyanocorax cristatellus
- Azure-naped Jay, Cyanocorax heilprini
- Cayenne Jay, Cyanocorax cayanus
Plush-crested Jay, Cyanocorax chrysops - White-naped Jay, Cyanocorax cyanopogon
- White-tailed Jay, Cyanocorax mystacalis
- Black-collared Jay, Cyanolyca armillata
- Turquoise Jay, Cyanolyca turcosa
- White-collared Jay, Cyanolyca viridicyana
- Azure-hooded Jay, Cyanolyca cucullata
- Beautiful Jay, Cyanolyca pulchra
- Black-throated Jay, Cyanolyca pumilo
- Dwarf Jay, Cyanolyca nana
- Silvery-throated Jay, Cyanolyca argentigula
- White-throated Jay, Cyanolyca mirabilis
See also treepies, magpies, nutcrackers and crows.
Copyright: Wikipedia. This article is licensed under the GNU Free Documentation License. It uses material from Wikipedia.org
Related Web Resources: Corvidae Crows, Jays & Allies ... Jays, Crows, Ravens: Eggs, Incubation and Fledging Times ... Jays Plant Acorns (Article) ... Jay Photos (Birding Forum) ... Stellar Jay Jigsaws ... Jay Clipart
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