Maned Owl
Jubula lettii
Distinctive and unusual rainforest owl. Mostly rufous-brown, with long, shaggy ear tufts and plumes at the back of the head. The eyes vary from yellow to orange. The breast is rufous and the belly is buff with fine black streaks. Rare and local in the understory of lowland rainforest in thick areas, usually those with abundant lianas. The voice is unknown. Somewhat similar to some eagle-owls, but smaller and slimmer, with differently shaped drooping ear tufts.
识别特征
The maned owl gets its name from the long, floppy, white-tipped feathers on its crown and ear tufts which seem to form a mane. Otherwise it is a medium-sized, large-headed, rufous owl. The upperparts are deep chestnut with narrow, wavy dark bars, which are darker on the lesser wing coverts and on the head, so that they contrast with the white forehead and tips to the ear-tufts. The facial disk is rufous with a broad blackish rim and a white throat. The upper breast is rufous with white bars, the lower breast and belly are buff with dark streaks while the vent and legs are pale buff. The flight feathers and the tail have broad dark bars on a rufous background. The bill is yellow, the cere greenish-yellow and the eyes, legs and feet are yellow. The body length is 25 cm (9.8 in).
分类信息
- 学名
- Jubula lettii
- 命名信息
- (Büttikofer, 1889)
- 目
- Strigiformes
- 科
- Numididae
- 属
- Jubula
分布与栖息地
The maned owl is known only from the lowland, tropical rainforest of west Africa and has a patchy distribution from Liberia in the west through to the Democratic Republic of Congo. The patchiness of its distribution is shown by the countries it has been recorded in which are Liberia, Ivory Coast, Ghana, Cameroon, Equatorial Guinea, Gabon, Congo and the Democratic Republic of Congo.<p>The maned owl seems to prefer closed canopy evergreen rainforest, especially areas with dense creepers, it is not found in semi-evergreen open-canopy forest, and there are no records away from dense forest or forest clearings.
- 迁徙
- Resident species
行为
The maned owl is not well known. It is nocturnal, roosting by day in dense creepers as close to the ground as 2 m (6.6 ft), emerging out onto an open perch at dusk. Their diet is not well understood, but small and weak feet and claws suggest that insects such as grasshoppers and beetles form the largest part of its diet. Green plant material has been found in the stomach contents of a young owl.<p>As with its diet little is known of its breeding behaviour and the call is unrecorded. In the Democratic Republic of the Congo a nest was observed and the results suggest that this species lays three or four eggs between March and May. The nest is in a tree cavity or an old stick nest of another animal is reused. Juveniles have been recorded in late December and January in Cameroon and Gabon, and a pair of adults with full-grown young were observed in Liberia in late February.
保护状况
- 种群趋势
- stable
照片
分布
其他鸟类
Javan Myna
Acridotheres javanicus
Originally restricted to the Indonesian islands of Java and Bali, this crested myna has since been introduced to Singapore, Taiwan, and various parts of Malaysia and Indonesia. Dark gray overall with a spiffy erect crest and a bright yellowish-orange bill. Darker than Jungle Myna, with which it overlaps in both its native and introduced ranges. Also compare with Crested Myna; note Javan’s brighter bill and white vent. Bold and social, foraging in farms, parks, and gardens. Roosts in large noisy flocks, often close to human habitation.
Vogelkop Whistler
Pachycephala meyeri
A fairly small bird of lower montane forest. Both sexes look like a typical female whistler. Yellow belly, olive upperparts, gray head and diffuse band across the chest contrasting with very pale gray throat. Told from the usually higher Regent Whistler female by its plain, pale gray throat and from Sclater’s female by its gray head. Song, a short, whistled, medium-pitch phrase, increasing in volume. Also, an accelerating series of rising, identical-pitch notes with an explosive quality.
White-browed Coucal
Centropus superciliosus
A large, robust, ungainly cuckoo with rufous wings and a long, broad tail. Shows a solid dark cap and back of the head, and white underparts. Unlike other coucals, shows an obviously barred rump and upper tail coverts. It often moves clumsily, preferring to clamber about in rank vegetation or walk on the ground foraging for insects or small vertebrates. Its flight is labored and heavy. This species uses a wide variety of habitats with a thick understory, including savanna, woodland, forest edge, and wetlands. The song is a deep descending bubbling series, “bu-bu-bu bu bu bu bu”, that falls and then rises in pitch.
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