Black-capped Screech-Owl
Megascops atricapilla
Medium-sized screech-owl with a black-bordered facial disc, dark crown, and small but prominent ears tufts. Three morphs are quite variable in plumage, but the brown morph has dark eyes and the rufous and gray morphs have yellow eyes. Very similar to Long-tufted Screech-Owl, but is larger. Found in lowland humid forest and forest edges preferring areas with dense understory.
识别特征
The black-capped screech owl is 22 to 23 cm (8.7 to 9.1 in) long. Males weigh 115 to 140 g (4.1 to 4.9 oz) and females up to 160 g (5.6 oz). It occurs in brown, rufous, and gray morphs. All have a light facial disc with a distinct dark border, a blackish crown, and prominent "ear" tufts. Their eye color ranges from dark brown to amber. The brown morph's upperparts are dark brown with pale mottling and vermiculation. The folded wing shows a line of pale spots. The underparts are paler with irregular markings. The other two morphs are redder and grayer respectively.
分类信息
The black-capped screech owl is monotypic. It is part of a complex of species that includes the Santa Marta screech owl (M. gilesi), West Peruvian screech owl (M. roboratus), tawny-bellied screech owl (M. watsonii), and perhaps other undescribed species.
- 学名
- Megascops atricapilla
- 命名信息
- (Temminck, 1822)
- 目
- Strigiformes
- 科
- Strigidae
- 属
- Megascops
分布与栖息地
The black-capped screech owl is found in southeastern Brazil, southeastern Paraguay, and extreme northeastern Argentina. It inhabits a variety of landscapes, especially lowland rainforest and including forest with thick undergrowth, edges, open woodland, and secondary forest. In the northern part of its range it is found from sea level to at least 600 m (2,000 ft) but in the south only to 300 m (980 ft)
- 迁徙
- Resident species
行为
The black-capped screech owl usually hunts in the forest canopy, scanning for prey from a perch, but it also frequently hunts in undergrowth. Its diet is primarily insects and also probably includes small vertebrates.<p>The black-capped screech owl's breeding season appears to include October and November, but has not been fully defined. It nests in tree cavities, both natural and made by woodpeckers. It might be semi-colonial, as it has been recorded nesting close to others of its species.<p>The black-capped screech owl's primary song is "a long fast trill, very faint before increasing in volume, [and] ending abruptly". Its secondary song is short, with a "bouncing-ball rhythm". Both sexes sing in duet and the female's voice is higher pitched.
保护状况
- 种群趋势
- stable
照片
分布
鸟叫声
其他鸟类
Golden Whistler
Pachycephala pectoralis
Compact songbird with short bill. Males in much of range are olive above, yellow below, with white throat set in black head; males and females on Norfolk Island are olive-brown with yellowish underparts (brightest on undertail). Females vary across range, with eastern birds having some amount of yellow on the underparts and western birds (formerly treated as full species, “Western Whistler”) being gray-brown above and pale below, lacking yellow. Olive Whistler much browner below, with well-defined whitish bib. Inhabits a great variety of habitats. Bright, whistled song varies, but often has a whip-like ending.
Malagasy Paradise-Flycatcher
Terpsiphone mutata
Adult males have extremely long tail streamers, and can show mainly rufous, white, or black-and-white plumage. Female is rufous and lacks tail streamers. Both sexes have a blue ring around the eye. Found in all forest types and in adjacent plantations and scrub. Restless, active mid-story bird that sometimes joins mixed feeding flocks. Call is a tearing “shree-shreeet”, and song a long, musical series of “twee” notes. Black-and-white males larger and longer-tailed than Ward’s Flycatcher, without a black chest band. Rufous coloration, blue eye ring, and upright posture identify female.
Black-backed Cisticola
Cisticola eximius
A tiny, short-tailed, streaky cisticola. Note the rufous rump and variably rufous flanks. Breeding male has an unstreaked rufous crown. Female and non-breeding male have a paler brown crown with dark streaks. Found locally in short grassland, especially in seasonally flooded areas. Inconspicuous for most of the year. Usually seen when doing a flight display over its breeding habitat. Very similar to several other cisticolas, though usually distinguished by range. Zitting Cisticola overlaps widely in range, but Black-backed is separated by voice, richer overall coloration, and shorter tail. The song consists of a series of raspy “chree” notes, sometimes given along with wing snaps. Also gives explosive scolding notes and high-pitched whines.
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