Victoria's Riflebird
Ptiloris victoriae
Large songbird with long decurved bill. Male almost completely black, with green and blue metallic sheen on belly, throat, and crown. Female brown above, buff below, with a sparse scaly pattern on chest and belly and a pale eyebrow. Inhabits rainforest and nearby drier forest in northern Queensland (i.e., around Cairns). Call a loud explosive hiss, often repeated. Males display from a prominent upright stump or snag, holding wings high above the head, flashing bright yellow gape, bobbing, raising wings individually, and swaying.
识别特征
The smallest riflebird, it measures between 23–25 cm. Males have an iridescent purple sheen plumage, which becomes more blue-green on the head and more bronze on the lower breast. The throat is velvety black with a metallic green and blue triangular patch in the center. Females have a pale eyebrow, and the buff underparts are faintly barred with brown.
分类信息
The Victoria's riflebird was discovered by John Macgillivray for John Gould in 1848 and is named after Queen Victoria of the United Kingdom. The common name "riflebird" comes from the likeness of their black velvety plumage to the uniform of the British Army Rifle Brigade.
- 学名
- Ptiloris victoriae
- 命名信息
- Gould, 1850
- 目
- Passeriformes
- 科
- Paradisaeidae
- 属
- Ptiloris
分布与栖息地
- 迁徙
- Resident species
行为
When the male begins to display, he erects the feathers of his throat and sides to accentuate the bright colours of his plumage in the shafts of sunlight that pierce the dimness of the rainforest. He curves his rounded wings above his body and tilts his head back to expose his chin and throat to the light, and then moves from side to side in a fashion that looks almost mechanical.<p>The female is attracted to the male's display post by his raspy 'yaars' call, which becomes softer and more tuneful during the display.<p>The pair then face each other closely, and each bird raises and extends its wings forward alternately in an increasingly rapid rhythm. Finally the male embraces the female with both wings, and copulation ensues.<p><p>As well as insects, they eat fruits from the trees, some which they peel by holding the fruit with one foot and removing the skin with their bill.
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
Falcated Duck
Mareca falcata
An East Asian teal-like duck. Males are distinctive, with an iridescent head that flashes green and copper, a silvery body with distinct scalloping, extremely long curved tertials, long pale scapulars, and a triangular white throat patch outlined in dark green. Brownish females resemble female Gadwall but have a dark bill. Breeds in northern interior marshes and winters on rivers, lakes, and coastal wetlands, often in flocks with other ducks.
South Island Robin
Petroica australis
A small charcoal-colored songbird endemic to New Zealand. Confined to the South and Stewart Islands. Favors native and exotic forest stands. Males have a more distinct separation between dark gray and cream on their chest than females. Juveniles mirror the look of a female but with less to no cream underneath. Can be incredibly confiding and curious about humans. It is possible to bring individuals out into the open by disturbing leaf litter and then sitting quietly. Actively flushes out prey with foot trembling and by flicking its wings and tail. Male song is a loud and simple phrase of notes including “pwee-pwee-pwee.”
Paradise Riflebird
Ptiloris paradiseus
Large songbird with a very long decurved bill. Male almost completely black, with green and blue metallic sheen on belly, throat, and crown. Female brown above, pale below, with an intricate scaly pattern on chest and belly and a pale eyebrow. Inhabits rainforest and nearby drier forest of southeastern Queensland and northeastern New South Wales. Call a loud, explosive hiss. Males display from a prominent branch, holding both wings high above their heads.
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