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Juveniles duller black areas, blues more greenish, and under parts paler. | Juveniles duller black areas, blues more greenish, and under parts paler. | ||
==Distribution== | ==Distribution== | ||
| − | [[ | + | [[North America|North]], [[Central America|Central]] and [[South America]]: found in southern [[Texas]] ([[USA]]),[[Mexico]], [[Guatemala]], [[Honduras]], [[Venezuela]], [[Peru]], [[Ecuador]], [[Colombia]] and [[Bolivia]]. |
[[Image:2764CRW 7785-GrnJay.jpg|thumb|350px|right|''Cyanocorax yncas luxuosus''<br />Photo by {{user|assayer|assayer}}<br />[[Laguna Atascosa NWR]], [[Texas]], November 2004]] | [[Image:2764CRW 7785-GrnJay.jpg|thumb|350px|right|''Cyanocorax yncas luxuosus''<br />Photo by {{user|assayer|assayer}}<br />[[Laguna Atascosa NWR]], [[Texas]], November 2004]] | ||
==Taxonomy== | ==Taxonomy== | ||
| − | ====Subspecies<sup>[[#References|[1]]]</sup> | + | ====Subspecies==== |
| − | *''C. y. speciosus'': | + | There are 12 subspecies<sup>[[#References|[1]]]</sup>: |
| − | + | *''C. y. speciosus'': Pacific slope of western [[Mexico]] (Nayarit and Jalisco) | |
| − | *''C. y. vividus'': | + | *''C. y. vividus'': Pacific slope of southern [[Mexico]] (Colima) to western [[Guatemala]] |
| − | + | *''C. y. luxuosus'': Southern [[Texas]] (Rio Grande Valley) to eastern [[Mexico]] (Puebla and Veracruz) | |
| − | *''C. y. luxuosus'': | + | *''C. y. centralis'': South-eastern [[Mexico]] (Tabasco) to [[Belize]], eastern [[Guatemala]] and [[Honduras]] |
| − | + | *''C. y. maya'': South-eastern [[Mexico]] (Yucatán Peninsula) and extreme southern Quintana Roo | |
| − | *''C. y. centralis'': | + | *''C. y. cozumelae'': Cozumel Island |
| − | + | *''C. y. galeatus'': Subtropical central [[Colombia]] (west of Eastern Andes) | |
| − | *''C. y. maya'': | + | *''C. y. cyanodorsalis'': Eastern Andes of [[Colombia]] and north-western [[Venezuela]] |
| − | + | *''C. y. andicolus'': Mountains of northern [[Venezuela]] | |
| − | *''C. y. cozumelae '': | + | *''C. y. guatimalensis'': Coastal cordillera of northern [[Venezuela]] |
| − | + | *''C. y. yncas'': Subtropical south-western [[Colombia]] to [[Ecuador]], [[Peru]] and central [[Bolivia]] | |
| − | *''C. y. galeatus'': | + | *''C. y. longirostris'': Northern [[Peru]] (arid upper Marañón Valley) |
| − | |||
| − | *''C. y. cyanodorsalis'': | ||
| − | |||
| − | *''C. y. andicolus'': | ||
| − | |||
| − | *''C. y. guatimalensis'': | ||
| − | |||
| − | *''C. y. yncas'': | ||
| − | |||
| − | *''C. y. longirostris'': | ||
| − | |||
==Habitat== | ==Habitat== | ||
Sub-tropical thorn scrub and riparian woodland | Sub-tropical thorn scrub and riparian woodland | ||
| Line 52: | Line 41: | ||
'''Call''' high pitched and harsh - commonly one long then three short. | '''Call''' high pitched and harsh - commonly one long then three short. | ||
==References== | ==References== | ||
| − | #{{Ref- | + | #{{Ref-Clements6thAug14}} |
{{ref}} | {{ref}} | ||
==External Links== | ==External Links== | ||
Revision as of 22:08, 23 October 2014
Cyanocorax yncas galeatus
Photo by Robert Scanlon
La Suiza Nature Reserve near Pereira, Colombia, May 2004
Photo by Robert Scanlon
La Suiza Nature Reserve near Pereira, Colombia, May 2004
- Cyanocorax yncas
Identification
25 - 27cm. A distinctive jay with pronounced racial variation:
- Green tail with yellow outer feathers and yellow under-tail coverts.
- Cheeks, throat and upper breast are black.
- Forcrown and moustache-streaks are blue. Hindcrown bluish or white
- Whitish forehead and eyebrow streak.
- Eyes yellow or dark brown.
- Bill and legs black.
Juveniles duller black areas, blues more greenish, and under parts paler.
Distribution
North, Central and South America: found in southern Texas (USA),Mexico, Guatemala, Honduras, Venezuela, Peru, Ecuador, Colombia and Bolivia.
Taxonomy
Subspecies
There are 12 subspecies[1]:
- C. y. speciosus: Pacific slope of western Mexico (Nayarit and Jalisco)
- C. y. vividus: Pacific slope of southern Mexico (Colima) to western Guatemala
- C. y. luxuosus: Southern Texas (Rio Grande Valley) to eastern Mexico (Puebla and Veracruz)
- C. y. centralis: South-eastern Mexico (Tabasco) to Belize, eastern Guatemala and Honduras
- C. y. maya: South-eastern Mexico (Yucatán Peninsula) and extreme southern Quintana Roo
- C. y. cozumelae: Cozumel Island
- C. y. galeatus: Subtropical central Colombia (west of Eastern Andes)
- C. y. cyanodorsalis: Eastern Andes of Colombia and north-western Venezuela
- C. y. andicolus: Mountains of northern Venezuela
- C. y. guatimalensis: Coastal cordillera of northern Venezuela
- C. y. yncas: Subtropical south-western Colombia to Ecuador, Peru and central Bolivia
- C. y. longirostris: Northern Peru (arid upper Marañón Valley)
Habitat
Sub-tropical thorn scrub and riparian woodland
Behaviour
Seen in parties outside breeding season.
Diet
Acorns, seeds Texas Palmetto (ebony in winter), grasshoppers, crickets and other insects.
Breeding
Nest (north range April and May) in dense thickets. A thorny twig platform, rootlet, vine, moss and grass lining - eggs can be seen through nest. Two broods per season.
Eggs three to five greyish-white, greenish-white or buff background. Covered in brown, grey and lavender spots - concentrated around larger end.
Vocalisation
Call high pitched and harsh - commonly one long then three short.
References
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2014. The eBird/Clements checklist of birds of the world: Version 6.9., with updates to August 2014. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
Recommended Citation
- BirdForum Opus contributors. (2024) Green Jay. In: BirdForum, the forum for wild birds and birding. Retrieved 19 April 2024 from https://www.birdforum.net/opus/Green_Jay
