Austral Pygmy-Owl
Glaucidium nana
Very small owl of southern South America; no other pygmy-owl in its range. Overall plumage tones vary from brown to rusty, rarely gray-brown. Often active in daytime. Fairly common but easily overlooked, although persistent tooting song and presence of mobbing small birds can draw attention. Found in forests, woodlands, parks, matorral with taller trees, and locally in more open country. Ranges low to high, from canopy of tallest trees to low in bamboo thickets; sometimes perches on roadside wires.
识别特征
The austral pygmy owl is 17 to 21 cm (6.7 to 8.3 in) long. Males weigh 56 to 75 g (2.0 to 2.6 oz) and females 70 to 100 g (2.5 to 3.5 oz). It has gray-brown and red morphs and intergrades between them. Adults of both morphs have a pale grayish brown face with dark flecks, whitish "brows" over pale yellow eyes, and black "false eyes" on the nape. The gray-brown morph's upperparts are dark grayish brown with whitish dots of variable size and shape. The tail is also dark grayish brown with narrow buffy bars. The throat is white, the sides of the upper breast dark grayish brown, and the underparts off-white with dark grayish brown streaks. The red morph has a similar pattern but reddish brown replaces the dark grayish brown.
分类信息
The austral pygmy owl has sometimes been treated as a subspecies of ferruginous pygmy owl (Glaucidium brasilianum) but DNA studies and other data support its being a species in its own right. It is monotypic.
- 学名
- Glaucidium nana
- 命名信息
- (King, PP, 1827)
- 目
- Strigiformes
- 科
- Strigidae
- 属
- Glaucidium
分布与栖息地
The austral pygmy owl is found from approximately Valparaíso Province in Chile and Neuquén Province in western Argentina south to the tip of Tierra del Fuego. In Chile it ranges in elevation from sea level to 2,000 m (6,600 ft). It inhabits a variety of landscapes from city parks and farmland with scattered trees to deciduous forests and thickets, evergreen shrublands, temperate and southern beech (Nothofagus) forests, and Patagonian scrub/steppe.
- 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
Sulawesi Hawk-Eagle
Nisaetus lanceolatus
Adult shows a dark brown crested head, a white throat with central streak, a rufous breast with bold streaking, a densely barred belly, and feathered thighs. In flight, note densely barred body and forewings, sparse bars on outer wing, and evenly barred tail. Immatures show white on head and underparts and dark brown above, with narrower tail bars. Wings broad, with bulging inner wing. Found in tall forest from lowlands to mountains. More heavily built, larger-headed, and larger-billed than Sulawesi Honey-Buzzard, and also has feathered thighs and more evenly spaced tail bars. Immature resembles young Rufous-bellied Eagle, but hawk-eagle lacks dark flanks and mask. Gives a loud “ke-ke-ke-ke…” call.
Cinnamon Woodpecker
Celeus loricatus
One of several species of mostly rufous woodpeckers with a crest. On Cinnamon, look for pale off-white belly with black scaling, and uniformly rufous head and back. Sexes mostly similar; male has red mustache stripe. Mainly a forest bird, found singly or in pairs, usually at middle levels or in the canopy. Listen for series of loud breathy whistles descending in pitch, similar to several other species in this genus.
Vanuatu Streaked Fantail
Rhipidura spilodera
Small, with a long, often fanned tail. Gray above with a brownish back, speckled white chest, and elegant white eyebrow and cheek stripe. Found in forest and forest edge, avoiding open areas. Similar to Gray Fantail, but note patterned chest. Song is a series of high-pitched tinkling notes, and calls include dry, raspy “chep”s.
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