Bare-crowned Antbird
Gymnocichla nudiceps
Scarce and rather shy antbird of evergreen forest, second growth thickets, and overgrown plantations in humid tropical lowlands. Usually in pairs, on or near the ground, where often accompanies army ant swarms to capture prey flushed by the ants. Male is black with white wingbars with bright blue naked skin on crown and around eyes. Female is rusty brown overall with bright blue naked eyering.
分类信息
- 学名
- Gymnocichla nudiceps
- 命名信息
- (Cassin, 1850)
- 目
- Passeriformes
- 科
- Thamnophilidae
- 属
- Gymnocichla
分布与栖息地
- 迁徙
- Resident species
行为
It has been recorded that Bare-Crowned antbirds travel in pairs and do not associate with any other species except for army-ant swarms. The bird tends to remain near the ground and commonly follows army ants to catch flushed prey. However, they also regularly hop around the ground and look for prey that way, either on low vines, or trunks. The bare-crowned antbirds diet feeds on a variety of insects, spiders and other small reptiles, like grasshoppers, ants, and even small lizards. <p>The bare-crowned antbird nests are dome- shaped with thin fibers like plants, stems vines constructing it. Nests are usually supported by broad plant stems and are low on the ground. The nests are well concealed, hidden among thick vegetation and leaves. Both female and male bare-crowned antbirds bring food to the nest, including small spider's insect larvae. Additionally, they both brood over the nest. When both female and male return at the nest, they often perform various vocalizations, accompanied by tail pumping. In this species, parental responsibilities for incubation, brooding, and nest-ling feeding are shared.<p>The Bare-Crowned antbird inhabits various areas in central and South America such as Belize, Colombia, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, and Panama. Its natural habitat is subtropical or tropical moist lowland forests. The bird does not travel outside of these regions because its main food source are ants along the jungle floor.
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
Chestnut-capped Thrush
Geokichla interpres
Shy and seldom-seen jewel of a thrush. Note dark chestnut hood, gray back, and sharply-patterned black-and-white wing patches. Found in forested areas from lowlands up into foothills. Most often forages on the ground but will visit fruiting trees. Song is a series of widely-spaced chirrups, whistles, and twanging notes.
Scaled Flowerpiercer
Diglossa duidae
Small, dark flowerpiercer with typical upturned, hooked bill. Slaty-blackish body with grayish spotted or scaled underparts and mostly black wings. Sexes similar. Common, usually alone or in pairs, piercing flowers in shrubby areas and forest edges. Call a high-pitched note typical of flowerpiercers; song a four-note “chip ZEET ZEET zeet.” No overlap with other flowerpiercers in its limited range in the Pantepui region of southern Venezuela and adjacent Brazil.
Red-headed Quelea
Quelea erythrops
The red head of the breeding male is distinctive. Non-breeding male and female are nondescript, streaky brown birds with buffy eyebrows. Found in moist grassland and savanna. Most records are of territorial breeding males. Becomes inconspicuous when not breeding, mixing with flocks of other weavers and seedeaters. The call is a rough “jyet”, and the song is an unmusical chattering. Breeding male very similar to breeding male Cardinal Quelea but has more red on the nape and less on the breast, producing a more cleanly “hooded” look.
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