Magnificent Riflebird
Ptiloris magnificus
Large songbird with a very long curved bill, found in rainforest on Cape York and in New Guinea. Males mostly black, with bright metallic blue metallic chest and crown and shaggy black flank plumes. Females brown above, pale with fine barred pattern below, strong white eyebrow, and brown moustachial mark. Call is a very three-note whistled phrase ("wee-oooo-whittt"), similar to the whistle humans use to say "come here!”
识别特征
This riflebird is a medium-sized bird, being up to 34 cm long. The male is velvet-black bird-of-paradise with elongated black filamental flank plumes, an iridescent blue-green crown, a wide, triangle-shaped breast shield, and on central tail feathers. It has a black curved bill, yellow mouth, blackish feet and a dark brown iris. The female is brownish with dark spots and buff bars below with a white brow. The immature male resembles the male but with less tail plumes.
分类信息
The magnificent riflebird was formally described in 1819 by the French ornithologist Louis Vieillot under the binomial name Falcinellus magnificus. It is now placed in the genus Ptiloris that was introduced in 1825 by the English naturalist William Swainson. The common name "riflebird" comes from the likeness of their black velvety plumage to the uniform of the British Army Rifle Brigade.<p>Two subspecies are recognised:
- 学名
- Ptiloris magnificus
- 命名信息
- (Vieillot, 1819)
- 目
- Passeriformes
- 科
- Paradisaeidae
- 属
- Ptiloris
分布与栖息地
- 迁徙
- Resident species
行为
The diet of the magnificent riflebird consists mainly of fruits and a variety of invertebrates such as spiders, millipedes, etc. Males are polygamous and perform solitary courtship displays on a 'dancing perch'. During these displays, the male fully extends his wings and raises his tail; he jerks upward while swinging his head from side to side, showing off his metallic blue-green breast shield, and producing a distinctive "woosh" sound as he flaps his wings. Multiple females will observe these displays, and, if satisfied with the performance, reward the male with mating rights. Females subsequently build nests, incubate, brood, and feed young without male assistance.
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
Croaking Ground Dove
Columbina cruziana
Small, dirt-colored dove of desert lowlands, where it is often common in towns, parks, farmland, and semiopen areas in general. In pairs or small groups; feeds on the ground but often perches on wires. Flight is rather fast and direct, and usually low. Readily identified by diagnostic bright orange base on a rather stout (for a dove) bill. Male has more blue-gray tones than pinkish female. Call is a distinctive wet quacking or farting sound (not a croak), usually given in short series.
Sooty Babbler
Stachyris herberti
Small dark babbler with a ring of pale exposed skin around the eye. Contrastingly pale bill stands out in the gloom of the undergrowth. Found in limestone forests, often near cliffs, gullies, and ravines. Climbs on vegetation and limestone karst in search of prey, often in both single-species and mixed-species flocks. Calls softly when foraging, but fairly quiet compared to other babblers.
Pinsker's Hawk-Eagle
Nisaetus pinskeri
A fairly large raptor of lowland and foothill forest in the southern Philippines. Dark brown above and whitish below with a streaked head and chest and a finely barred lower belly. Note the long hind crest and the chin stripe. In flight, shows barred wings and a fairly long tail both with a dark terminal band. Juveniles much paler. Remarkably similar to Philippine Honey-Buzzard, but head doesn’t project as far forward from the wings. Voice is a fairly high, screeching “week wik!”
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