Black-backed Woodpecker
Picoides arcticus
Dark woodpecker, inconspicuous and uncommon. Found in coniferous forests, often in recently burned areas or bogs with many dead trees. Distinctive habit of flaking bark off trees in search of grubs; behavior shared only with American Three-toed Woodpecker. Back entirely glossy black with faint white markings only on flight feathers. Head mostly black with white mustache stripe and throat. Barred flanks. Males show yellow cap; sexes otherwise alike. "Pick" call is short and has unique clicking tone unlike other woodpeckers. Drum is slow, speeding up at end. Does not visit bird feeders.
识别特征
The plumage of adults is black on the head, back, wings and rump. They are white from the throat to the belly; the flanks are white with black bars. Their tail is black with white outer feathers. There is an element of sexual dimorphism in the plumage, with the adult male possessing a yellow cap. Unlike all other woodpeckers except the related American and Eurasian three-toed woodpeckers, this species has three-toed feet.<p>Measurements:
分类信息
The black-backed woodpecker was described and illustrated by the English naturalist William John Swainson in 1832 from a specimen collected near the source of the Athabasca River on the eastern slopes of the Rocky Mountains in Alberta, Canada. He coined the binomial name Picus arcticus. The specific epithet arcticus is the Latin word for "northern" or "arctic". The black-backed woodpecker is now placed in the genus Picoides which was erected by the French naturalist Bernard Germain de Lacépède in 1799. The species is monotypic: no subspecies are recognised.
- 学名
- Picoides arcticus
- 命名信息
- (Swainson, 1832)
- 目
- Piciformes
- 科
- Picidae
- 属
- Picoides
分布与栖息地
- 迁徙
- Resident species
保护状况
- 种群趋势
- stable
照片
分布
鸟叫声
其他鸟类
Pale-breasted Illadopsis
Illadopsis rufipennis
A chunky, mid-sized, remarkably drab babbler with a white throat and brownish breast. Found in the understory of rainforest at low and middle elevations, usually in small groups. Shy and skulking; rarely seen unless searched for. Very similar to Brown Illadopsis, but slightly different vocally, with higher and more inflected whistles. Also slightly paler below and more richly colored above, with a cleaner white throat. Most often detected by voice. The highly variable song consists of single-note pure whistles or short whistled phrases separated by pauses, often in a three-note ascending series; listen for a haunting clear monotone whistle. Also gives scolding calls, sometimes accompanying the whistled song.
Gabela Bushshrike
Laniarius amboimensis
A striking bushshrike with a chestnut crown and nape, blackish upperparts with a white wing-stripe, and entirely white underparts. A scarce species that skulks in pairs in the understory of secondary forest and farmbush, including coffee plantations, near Gabela along the Angolan escarpment. Vocalizations are variable, but quality is consistent: a haunting reverberating “whorrrrr,” a sweet musical “til-out, til-out,” and nasal twanging or grating rattles. Tropical Boubou is similar to Gabela Bushshrike but differs by having buffy underparts and a blackish, not chestnut, crown.
Bush Thick-knee
Burhinus grallarius
Distinctive large shorebird with long legs, enormous yellow eye, heavily streaked underparts. During the day stands or sits under small trees/shrubs, often in small groups. When disturbed will lie down and flatten neck to the ground. At night becomes active and wanders around calling its wonderful eerie wailing cry. In cities like Darwin, Cairns, Brisbane it is relatively common in parks, open grounds, camping grounds. More common across northern Australia.
开始您的观鸟之旅
在户外识别鸟类，并在下一次观察时随手查阅鸟类图鉴。