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
Melodious Blackbird
Dives dives
Fairly common in semi-open habitats of tropical lowlands, usually in pairs or small groups. Feeds on the ground and in trees, often flipping its tail sharply upwards; may associate loosely with grackles, but usually not mixed in with other blackbids. Distinctive but lacks obvious field marks: plumage is wholly black with a slight velvety sheen; note the sharply pointed bill, and dark eyes.
Long-tailed Potoo
Nyctibius aethereus
Large potoo with a long graduated tail. Mostly rusty brown with streaked underparts, a conspicuous pale shoulder patch, and a whitish moustache. Occurs from the lower to the upper levels of humid forests. The song is an undulating “waa-OO-uh,” usually sung on moonlit nights.
Gray Flycatcher
Empidonax wrightii
Drab, pale-gray flycatcher with little plumage contrast; very similar to other flycatchers, especially Dusky and Hammond's. Often best identified by unique habit of wagging tail downward. Breeding habitat also distinctive: lower, more open habitat than other flycatchers, usually in sagebrush or open juniper forest. In migration and winter, habitat overlaps more with other flycatchers, but still tends to prefer more open areas. Other subtle differences in appearance include shorter wingtips, longer bill, and paler plumage. Song includes hoarse "chivik" phrase and higher, clearer "pseeoo." Call similar to Dusky. Without an excellent view, sometimes best left unidentified.
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