White-bellied Go-away-bird
Crinifer leucogaster
An unusual gray turaco with a long tail and a towering crest. White marks on the sides of the tail are conspicuous in floppy flight. Found in arid savanna and woodland, usually in small groups. Similar in shape to Eastern Plantain-eater, but easily separated by its clean white belly and dark bill. Also separated from Bare-faced Go-away-bird by the white belly, the lack of a dark mask, and the taller crest. The calls include a series of grumpy yelps and the classic nasal “go-waaay” call.
识别特征
This species averages 51 cm (20") in length. Its long, pointed grey and black tail with a white median band is characteristic of the species. It has a white under-wing patch, visible in flight. The adult has a grey head and leading to a dark grey to blackish pointed crest with an approximate length of 6 cm. The belly and under-tail coverts are white, giving the bird the first part of its name "white-bellied".<p>The bill is black in male, pea-green in the female (becoming yellowish during the breeding season). Females also tend to be larger, weighing 225g - 250g, where as males only weighed 170g - 225g. The juvenile is similar to adults, with the plumage being more brown, especially on wing-coverts.<p>Typical calls are a nasal haa-haa-haa, like bleating of a sheep, and a single or repeated gwa (or g'away), this distinctive call is where the bird gets the latter part of its name "go-away". It flies from tree to tree in loose straggling groups, calling loudly.
分类信息
German naturalist Eduard Rüppell described this species in 1842.<p>The white-bellied go-away-bird is placed in the bird family Musophagidae ("banana-eaters"), which includes plantain-eaters and other go-away-birds. Although traditionally, this group was placed within cuckoos in the order Cuculiformes, recent genetic analysis have strongly supported separate placement in the full order of Musophagiformes.<p>They are semi-zygodactylous meaning the fourth (outer) toe can be switched back and forth. Musophagidae often have prominent crests and long tails. Some species are renowned for their bright pigments.<p>There is an ongoing discussion over generic-level classification: C. leucogaster is often referred to as being in the genus Corythaixoides or Criniferoides. Most earlier taxonomic treatments place it within Corythaixoide, however many concluded that it required the genus, Crinifer.
- 学名
- Crinifer leucogaster
- 命名信息
- (Rüppell, 1842)
- 目
- Musophagiformes
- 科
- Musophagidae
- 属
- Crinifer
分布与栖息地
Their habitat consists of hot acacia-steppe, savanna, and woodland areas. It avoids deep forest, but the species has been seen at a range of elevations, from sea level up to 2000m.<p>Go-away birds are limited to their local ranges due to water availability, but the species occurs across a vast area in and around the Horn of Africa. It is found in Burundi, Djibouti, Eritrea, Ethiopia, northern and eastern Kenya, Rwanda, Somalia, South Sudan, northeastern Uganda, and southwards into the eastern plateau of Tanzania.
- 迁徙
- Resident species
行为
Migration pattern: Resident species.
保护状况
Population trend: stable.
- 种群趋势
- stable
照片
分布
鸟叫声
其他鸟类
Sri Lanka Junglefowl
Gallus lafayettii
Wild chickenlike bird. Male is burnt orange with dark streaks, cockerel-like glossy black tail, and a prominent red comb marked with yellow on the crown. Gray-brown female has white streaks and prominent barring on its wings. Terrestrial, found in pairs or small groups in forests of lowlands and highlands over much of Sri Lanka. Generally keeps to cover. Only confusion is with domestic chicken; note lack of white at tail base, and yellow marking on comb of males, and bars in wings of females in Sri Lanka Junglefowl. Song a harsh “chyok-cher-chow”. Also stuttering “kik-kik-kik-kik” notes.
White-bearded Hermit
Phaethornis hispidus
Large gray and green hermit of understory rainforest. Gray below, green above with gray rump and white long central tail feathers. Fairly long, slightly downcurved bill, and prominent white throat and moustache. Sexes similar. Similar to Great-billed Hermit, which is more tawny brown overall (not gray), and has a red or orange lower mandible (not yellow). Found in a variety of lowland rainforest habitats; most common around forest edges, along rivers, and around heliconias.
Anianiau
Magumma parva
A small Hawaiian honeycreeper of high elevation native forests on Kauai. Males are bright yellow and females are yellowish green. Smaller than the Kauai Amakihi with a straighter bill and without the faint black line between the bill and the eye. Moves quickly and incessantly in the understory and forest canopy in search of nectar, insects, and fruit. Fairly common in more remote areas of the eastern Alakai Plateau; uncommon to rare in the western Alakai and Kokee State Park. Song is a trill consisting of paired notes “weesee-weesee-weesee.” Call is a soft upslurred “su-weet.”
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