Blue-capped Ifrita
Ifrita kowaldi
A medium-sized bird of montane forest. Brown upperparts with dotted edge to the wing, pale buff underparts, blue cap edged with black, black crown spot, long white stripe behind the eye and an eye-ring, broken by a black line at the back. Deliberate movements, scanning carefully for insects. The blue crown and facial markings are unique. Upbeat song “toowa-tee!” reminiscent of a New World spinetail. Interspersed with a dry “wik”.
识别特征
The blue-capped ifrit is 16–17 cm (6.3–6.7 in) long and weighs 34-36 g (1.2–1.3 oz). Species plumage is yellowish brown with a blue-black crown atop their broad head. It is a sexually dimorphic species, with ear streak coloration being white in males and more tawny yellow in females. Ifrits tend to have more stout body shapes with broad sternums and shallow keels. Their wings are short and rounded while their legs are booted, having feathers down to their stout and clawed feet. Additionally, blue-capped ifrits have batrachotoxin within their feathers and skin.
分类信息
- 学名
- Ifrita kowaldi
- 命名信息
- (De Vis, 1890)
- 目
- Passeriformes
- 科
- Ifritidae
- 属
- Ifrita
分布与栖息地
Blue-capped ifrits are endemic to New Guinea and Papua New Guinea, being found nowhere else on earth and having a distribution of 388,000 km2. Ifrits inhabit montane rainforest of New Guinea, living in altitude ranges of 1,000–4,000 meters (3,280–13,123 feet) above sea level. Typically, they are found at altitudes of 1,500 meters (4,921 feet) or above.
- 迁徙
- Resident species
行为
As birds with weak flight abilities, blue-capped ifrits build nests about 1–3 meters (3–10 feet) above the ground in the branches of denser rainforest vegetation. These nests are made of plant fibers with some feathers. The parents tend to camouflage the outside of the nest with moss and liverworts. Ifrits lay small clutches with a typical nest containing only a single offspring. The nest camouflage, toxin excretion, and small clutch sizes may have derived from historically high rates of depredation and nest parasitism.
保护状况
Ifrits are of least concern because they have a large range. Ifrits seem to have a stable population and are thought to have quite a large population size. Part of their range lies within conservation sites.
- 种群趋势
- stable
照片
分布
其他鸟类
Handsome Flycatcher
Nephelomyias pulcher
A relatively bright small flycatcher of montane forests from Colombia to Peru. The underparts are yellow, with an especially rich orangish wash on the breast. Also look for the dark wings with bold yellow wingbars. Sexes similar. Found in pairs, often following mixed flocks through the middle to upper levels of cloud forest from around 1,500–2,500 m. Listen for short, quick pip calls.
African Pygmy-Goose
Nettapus auritus
Colorful miniature waterfowl that is smaller than most ducks. Both sexes have rufous underparts, a dark back, white on the face, and white on the wing in flight. Males have a green patch on the back of the head and a yellow bill; females have a black-and-white head and a dark bill. Found in freshwater wetlands with floating vegetation, especially water lilies. Shy and inconspicuous, as it generally avoids open water. Voice is a high-pitched squeaking. Small size and bold and colorful plumage separate it from other waterfowl.
Stripe-throated Jery
Neomixis striatigula
Small, energetic, sharp-billed warbler. Always shows strong striping on the underparts. Madagascar endemic that is found in rainforest, spiny forest, and scrub, and only very locally in dry deciduous forest. Often joins flocks with other small bird species. Song in the east is a long, sweet, up-and-down trill. Song in the west is a complicated series of high notes and lower trills. Larger and bigger-billed than other jeries, with dark legs and strong striping below. Smaller than Rand’s Warbler, with a greener back, a weaker eye-stripe, and streaking below.
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