Comb-crested Jacana
Irediparra gallinacea
Odd shorebird that walks around on lily pads with outrageously large feet. Adult has coral-red comb on forehead. Occur in heavily vegetated freshwater wetlands and lakes across northern Australia and down the east coast.
识别特征
This species is unmistakable. It has a black crown and hindneck with a fleshy red wattle covering the forehead and forecrown, contrasting with a white face and throat. The comb is pinker in breeding adults, more orange when not breeding. There is a broad black band on the lower breast with white belly. The underwing and flight feathers, which show most prominently in flight, are black. Back and upperwing mainly grey-brown with black primary coverts, rump and tail. The long legs with extremely long toes trail in flight. The male is slightly smaller than the female and measures 20–22 cm (7.9–8.7 in) in length and weighs 68–84 g (2.4–3.0 oz). The female measures 24–27 cm (9.4–10.6 in) in length and weighs 120–150 g (4.2–5.3 oz). The wingspan ranges from 39 to 46 cm (15 to 18 in).
分类信息
- 学名
- Irediparra gallinacea
- 命名信息
- (Temminck, 1828)
- 目
- Charadriiformes
- 科
- Jacanidae
- 属
- Irediparra
分布与栖息地
The bird occurs in south-eastern Borneo, the southern Philippines, Sulawesi, Moluccas, Lesser Sunda Islands, north and south-east New Guinea, New Britain (Lake Lalili), and northern and eastern Australia. Its habitat are large freshwater wetlands, swamps and lakes with abundant floating vegetation, such as water-lilies or water hyacinth, forming a mat on the water surface which it is able to walk on. Although the species is rare and localised it is not globally threatened.
- 迁徙
- Resident species
行为
The comb-crested jacana walks slowly and deliberately. It often congregates in flocks. When disturbed, it flies low over water and lands again on open vegetation.<p>The comb-crested jacana is polyandrous. It builds a flimsy nest on floating or emergent vegetation, in which the female lays four lustrous, pale brown eggs covered by black markings. Only males incubate. The young hatch well-developed and soon leave the nest.<p>It eats seeds and aquatic insects gleaned from floating vegetation on the water surface.<p>This species gives a squeaky, high-pitched chittering, also described as a shrill trill with an explosive soft bugle.
保护状况
- 种群趋势
- unknown
照片
分布
鸟叫声
其他鸟类
Wrybill
Anarhynchus frontalis
A small, pale plover endemic to New Zealand. Gray above, white below. Note distinctive black bill with tip curving to the right, unique to this species, used to forage under stones for invertebrates. Breeding birds have a clear black band across their chest, thinner in females and varying from absent to distinct in non-breeding or juvenile birds. Breeds only along the braided rivers of Canterbury and Otago. The majority of the population migrates north to winter in large flocks in the harbors and estuaries of the northern North Island, particularly the Firth of Thames and Manukau Harbour. Commonly heard giving a “chip” call.
Singing Parrot
Geoffroyus heteroclitus
A mostly green medium-sized parrot with a contrasting head, gray in females and yellow in males. Shows a blue underwing in flight. Inhabits lowland forest edge, including coconut plantations, parks, and gardens, up to at least 1750 meters of elevation. Bulkier than Cardinal, White-naped, Yellow-bibbed, and Purple-bellied Lories, with slower wingbeats, and lacks the mostly red color of those species. The similar Eclectus Parrot is larger with a bigger bill, and male is also green but has a red underwing. Singing Parrot’s voice includes a wide variety of harsh cries and a whistling bell-like song.
Wattled Starling
Creatophora cinerea
A medium-sized gray-brown starling with dark wings and tail and a whitish rump. The pale bill and lemon-yellow facial skin in females and non-breeding males is subdued, but breeding males often acquire long, fleshy, dangling black wattles and canary-yellow naked skin on the head. This nomad always tends to be in groups, and breeds opportunistically in colonies. It occurs irregularly and is irruptive in short grasslands and open savannas; at any given location it may number in the thousands in some years, and be absent in others. It may associate with large mammals, capturing insects that they flush. Both sexes give a variety of squeaks and hissing notes.
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