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发表于 2008-4-10 13:21:49
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这种鸟体为绿色,脸颊和颈部为灰蓝色,公鸟颈部会长出一条灰蓝色的细窄条状羽毛,沿著蜡膜到眼睛有一条黑色羽毛,颈部有著一条很宽的黑色环状羽毛和一条很宽的粉红色环状羽毛;腹部黄绿色,外侧翅膀覆羽带有一块紫红色的羽毛;尾巴羽毛中间上方为绿底外加蓝绿色,尖端黄色;尾巴内侧黄色;鸟喙红色,尖端黄色;虹膜黄白色。母鸟的颈部没有黑色的和粉红色的环状羽毛,鸟体色较为黯淡,中间尾羽平均长度较公鸟短。目前已知的有5个亚种:主要种(Psittaculae。eupatria)、纳伯尼斯种(Psittaculae。nipalensis)、安达曼岛种(Psittaculae。magnirostris)、印度柏美斯种(Psittaculae。avensis)、赖耳斯种(Psittaculae。siamensis)。
1、主要种(Psittaculae。eupatria)
成鸟身长: 58公分,翼长189 -215毫米,尾长215- 355毫米。
分布:印度南部北到海得拉巴、安得拉邦、斯里兰卡。
2、纳伯尼斯种(Psittaculae。nipalensis)
成鸟身长: 62公分,翼长200 -240毫米,尾长286- 328毫米。
分布:阿富汗东部,巴基斯坦西部,中部和印度北部,尼泊尔,巴基斯坦东部,不丹和阿萨姆。
3、安达曼岛种(Psittaculae。magnirostris)
成鸟身长工: 60公分,翼长200 -225毫米,尾长250- 347毫米。
分布:安达曼群岛。
4、印度柏美斯种(Psittaculae。avensis)
成鸟身长: 56公分,翼长179 -205毫米,尾长200- 298毫米。
分布:越南,柬埔寨,老挝,北部和西部、泰国。
5、赖耳斯种(Psittaculae。siamensis)
成鸟身长: 58公分,翼长194 -220毫米,尾长281- 336毫米。
分布: 在阿萨姆到阿默斯特、缅甸。
其他特征:Alexandrine Parakeet
1. Psittacula eupatria eupatria (Linn?1766)
Alexandrine Parakeet
Description: Green; cheeks and nape washed faintly grey-blue; cocks
often only have narrow stripe of grey-blue to nape; broad
cheek-stripe and narrow line from cere to eye black; broad band to
nape pink; abdomen yellowish-green; dark purple-red patch to
wing-coverts; upperside of middle tail-feathers blue-green with
green base and yellow tips, outer tail-feathers green; underside of
tail yellow; bill red with yellow tip; iris yellowish-white; feet
grey.
Hen without black cheek-stripe and pink band to nape; plumage
generally slightly duller; middle tail-feathers on average shorter.
Immatures as hen, adult plumage develops at 18 months, completed by
32 to 36 months.
Length: 58 cm, wing length 189 - 215 mm, tail length 215 - 355 mm.
Distribution: Southern India North to Hyderabad, Andhra Pradesh; Sri
Lanka.
2. Psittacula eupatria nipalensis (Hodgson 1836)
Nepalese Alexandrine Parakeet
Description: As eupatria, but breast and abdomen feathers of both
sexes with marked grey-white tinge; cheeks and nape suffused with
blue; broad pink band to nape; larger.
Length: 62 cm, wing length 200 - 240 mm, tail length 286 - 328 mm.
Distribution: Eastern Afghanistan, Western Pakistan, Central and
Northern India, Nepal, Eastern Pakistan, Bhutan and Assam.
3. Psittacula eupatria magnirostris (Ball 1872)
Andaman Alexandrine Parakeet
Description: As eupatria, but breast and abdomen feathers in both
sexes with grey-white tinge; broad pink band to nape; blue tinge to
nape above pink band mostly very restricted, not occurring in some
birds; shoulder patch lighter in many birds; bill larger and
heavier; slightly larger.
Length: 60 cm, wing length 200 - 225 mm, tail length 250 - 347 mm.
Distribution: Andaman Islands
4. Psittacula eupatria siamensis (Kloss 1917)
Laos Alexandrine Parakeet
Description: As eupatria, but back of head and nape washed pale
blue, extending to crown in some birds; cheeks yellow-green; band to
nape narrow and pinker; shoulder patch more reddish; slightly
smaller; feet yellowish.
Length: 56 cm, wing length 179 - 205 mm, tail length 200 - 298 mm.
Distribution: Vietnam, Cambodia, Laos, northern and western
Thailand.
5. Psittacula eupatria avensis (Kloss 1917)
Burmese Alexandrine Parakeet
Description: As eupatria, but top of head and nape yellowish-green;
blue tinge resticted to cheeks and absent from nape; band to nape
narrow and pinker.
Length: 58 cm, wing length 194 - 220 mm, tail length 281 - 336 mm.
Distribution: Cachar district in Assam to Amherst, Burma. |
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