Hudson's Black-Tyrant

Knipolegus hudsoni

Highly migratory flycatcher that breeds in central Argentina from around September through March, then disperses north to Bolivia and Paraguay, and occasionally wanders even farther. Male is glossy black with a silvery, black-tipped bill. He has a white on the underside of the wing that is usually hidden while perched. Female is brown and buff with white wingbars, cinnamon rump and tail base, and faint mottling on the breast. Very similar to White-winged Black-Tyrant; female is paler on the breast and belly, but males are virtually indistinguishable in the field. Inhabits stunted forest, scrub, and overgrown clearings.

识别特征

Hudson's black tyrant (Knipolegus hudsoni) is a species of bird in the family Tyrannidae, the tyrant flycatchers. It is found in Argentina, Bolivia, Paraguay, and as a vagrant to Brazil and Peru.

分类信息

Genus: Knipolegus; Family: Tyrannidae; Order: Passeriformes.

学名
Knipolegus hudsoni
命名信息
Sclater, PL, 1872
Passeriformes
Tyrannidae
Knipolegus

分布与栖息地

Breeding range: SA : c Argentina. Non-breeding range: to n Bolivia.

繁殖区
SA : c Argentina
非繁殖区
to n Bolivia
迁徙
Complete migrants

行为

Migration pattern: Complete migrants.

保护状况

Population trend: stable.

种群趋势
stable

照片

分布

鸟叫声

其他鸟类

Blyth's Paradise-Flycatcher

Blyth's Paradise-Flycatcher

Terpsiphone affinis

Breeding male’s trail long streamers are almost double the length of his body. Male comes in rufous and white morphs; both morphs have dark head, weak triangular crest, and blue eyering. Females resemble a non-breeding rufous male, but with a duller blue eyering and slightly paler head. Readily confused with Amur and Indian Paradise-Flycatchers, as well as female Black Paradise-Flycatcher, in areas of overlap. In these regions, note present species’ short rounded crest (vs. longer pointed crest of Indian), and pale rufous undertail on rufous birds (vs. white undertail on Amur and black); rufous birds also gradual gradation of gray on underparts, lacking strong contrast and sharp cutoffs. Note dark wing and central tail feather shaft streaks on white birds. Inhabits evergreen broadleaf forest and forest edge, including secondary growth, gardens, and plantations, in lowlands and foothills. Some populations are migratory. Song is a ringing “wiwiwiwiwiwiwi;” call is a nasal “ji-jeh” or “ji-jeh-jeh.”

Pale-bellied Hermit

Pale-bellied Hermit

Phaethornis anthophilus

Large, long-tailed hermit found in northern Colombia and western Venezuela. Like many other hermits, the bill is long and decurved and the central tail feathers are elongated with white tips. Note the pale eyebrow that contrasts with its black mask. Also note whitish underparts and dull greenish upperparts without bright rufous tones. Fairly common in lower levels of dry forests, mangroves, and plantations. Most frequently seen visiting Heliconia flowers.

Russet-mantled Softtail

Russet-mantled Softtail

Cranioleuca berlepschi

Uncommon bird found in high-elevation forest in the eastern Andes of northern Peru. Adult is mostly rich chestnut with a pale face, forehead, chin, and bill. Juvenile is heavily spotted and scaled. Inhabits cloud forest with abundant bamboo, and usually first detected by voice. Song is a rapid series of shrill, raspy notes, similar to a hornero.

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