River Lapwing

Vanellus duvaucelii

The black, gray, and brown coloration of this medium-sized shorebird makes it unmistakable. Raises black crest when displaying. As the name suggests, this species is primarily tied to rivers, where it is often seen foraging in pairs on riverbanks or exposed islands. Calls shrilly and loudly, both during display and when alarmed.

识别特征

The river lapwing is 29–32 cm long. It has a black crest, crown, face and central throat and grey-white neck sides and nape. It has a grey-brown breast band and white underparts with a black belly patch. The back is brown, the rump is white and the tail is black. This is a striking species in flight, with black primaries, white under wings and upper wing secondaries, and brown upper wing coverts.<p>Adults of both sexes are similarly plumaged, but males are slightly larger than females. Young birds have the brown tips to the black head feathers, a sandier brown back, and pale fringes to the upperpart and wing covert feathers. The call of the river lapwing is a sharp tip-tip or did-did-did.

分类信息

学名
Vanellus duvaucelii
命名信息
(Lesson, RP, 1826)
Charadriiformes
Charadriidae
Vanellus

分布与栖息地

迁徙
Resident species

行为

The breeding display, given on the ground, includes stooping, spinning, stretching and crest-raising.<p>The river lapwing nests on shingle and sand banks from March to June. It lays two eggs on a ground scrape. It feeds on insects, worms, crustaceans and molluscs in nearby wet grassland and farmland. It is not gregarious.

保护状况

种群趋势
declining

照片

分布

鸟叫声

其他鸟类

Aceh Bulbul

Aceh Bulbul

Pycnonotus snouckaerti

Rare and declining endemic of Sumatra’s northwestern mountains. Large grayish-brown bulbul with a bright orange forehead patch, dark olive wings, and a weak crest that gives it a pointy-headed profile. Once regarded as a subspecies of the very similar Orange-spotted Bulbul, but note present species’ distribution and dark (not white) belly. Inhabits foothill and lower montane forests, where localized and largely restricted to clearings with a substantial understory. Calls are generally similar to those of Orange-spotted Bulbul, and include a bubbly chatter.

Black Guineafowl

Black Guineafowl

Agelastes niger

Small black guineafowl with a long tail and a bare red head. Note the narrow line of black feathers along the back of the neck and the top of the head. Found on the ground in lowland rainforest, sometimes venturing into forest clearings or onto tracks. Usually in pairs or small groups, which are quite shy. The vocalizations include a long series of “too-wit” whistles and fast, repeated, metallic “ghik” notes. Similar to other guineafowl, but smaller, all black, without white spots, and with an all-red head. 

Pectoral Antwren

Pectoral Antwren

Herpsilochmus pectoralis

Attractive small antwren. Males are gray with a black crown and a diagnostic black patch on the chest; females have a cinnamon head and underparts and brownish upperparts. Inhabits deciduous forest, gallery forest, and caatinga woodland, where it forages from the understory to the canopy, often accompanying mixed-species flocks. The song is a rapid rising series of slightly harsh “caa” notes.

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