African Black Duck

Anas sparsa

A chocolate-brown duck with unmarked underparts, a pale-pink-and-black bill, orange legs, and white spots on the back and rump. A secretive and uncommon resident, preferring well-wooded, fast-flowing rivers but also visiting ponds. It forages mainly at dawn and dusk, dabbling for insects and plant matter. Differentiated from the similar Yellow-billed Duck by darker coloration, shorter neck, and dark, not vivid yellow, bill.

识别特征

The African black duck is a black duck with pronounced white marks on its back, a dark bill, and orange legs and feet. A purpish-blue speculum is often visible, especially in flight. It lives in central and southern Africa. It is also known as the black river duck, or (A. s. leucostigma) West African black duck or Ethiopian black duck. It is a medium-sized duck, with a length of 48–57 cm (19–22 in). The male is larger than the female.

分类信息

Genus: Anas; Family: Anatidae; Order: Anseriformes.

学名
Anas sparsa
命名信息
Eyton, 1838
Anseriformes
Anatidae
Anas

分布与栖息地

The African black duck is mainly found in eastern and southern sub-Saharan Africa from South Africa north to South Sudan and Ethiopia with outlying populations in western equatorial Africa, in southeast Nigeria, Cameroon and Gabon.

迁徙
Resident species

行为

Migration pattern: Resident species.

保护状况

Population trend: declining.

种群趋势
declining

照片

分布

鸟叫声

其他鸟类

Rufous-chested Flycatcher

Rufous-chested Flycatcher

Ficedula dumetoria

This handsome little flycatcher has the endearing habit of fanning its tail and flicking its wings when agitated. The male’s long slender white eyebrows and orange breast make him unmistakable; wintering male Mugimaki Flycatchers may cause some confusion, but that species has a smaller, block-like eyebrow patch and a broader, shorter white wing patch. Females are brown above and whitish below with an orange chest and rufous tail; her combination of plain brown wings, warm-toned tail, and a fairly uniform head pattern separate her from female Snowy-browed and Mugimaki Flycatchers. Female “blue flycatchers” can be similar, but they are more slender and have proportionally longer bills. Found in foothill and montane forests, where it forages in dense low thickets, typically singly or in pairs. Song is a brief 3–4-note phrase of very high, thin notes: “tsee-a-tsee-tsee”, or “tsee-ah-tsee”.

Sooty Honeyeater

Sooty Honeyeater

Melionyx fuscus

A long, slender honeyeater of upper montane forest and shrubland. All black with a long tail, long, thin, slightly curved bill and a blue eye-ring with a small red spot behind. Forages singly at all levels in the vegetation and often cocks its tail. Similar to Short-bearded and Long-bearded Honeyeaters, but Sooty Melidectes is smaller and lacks the white beard. Call, harsh rasping notes.

Greater Bird-of-Paradise

Greater Bird-of-Paradise

Paradisaea apoda

A large bird of lowland and foothill forest and edge. Male has a black breast and white and yellow plumes which he raises above his back during his display, in which he variably hops about and flaps his wings, then holds them out still. May overlap slightly with Lesser and Emperor birds-of-paradise but male Greater is larger and lacks a yellow back. Female Greater is distinguished from other species by its all brown body. Male gives a typical, repeated nasal squawk.

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