Cabanis's Wren
Cantorchilus modestus
Small, skulking wren of foothills and lowlands in southern Mexico and Central America. Found in forest edges, second-growth thickets, and brushy fields with cane grass. Heard more often than seen: song relatively short with bright phrases usually repeated a few times in quick succession. Note the bold white eyebrow, whitish breast, rich buffy flanks, and bright rusty tail barred black. Formerly known as Plain Wren.
识别特征
Cabanis's wren is 12.5 to 14 cm (4.9 to 5.5 in) long. Two males weighed 17.8 and 19.1 g (0.63 and 0.67 oz) and two females 16.0 and 16.6 g (0.56 and 0.59 oz). Adults have a dark gray-brown crown, a rufous-brown back, an orange-rufous rump, and a rufescent brown tail with narrow darker bars. They have a white supercilium, a gray-brown stripe behind the eye, and cheeks mottled gray-brown and gray-white. Their throat is white, the chest pale grayish buff, and the belly buffy white between orange-buff flanks. Individuals in the far northern part of the species' range tend to be darker and less rufous on the back. Immatures are a duller version of the adult.
分类信息
Cabanis's wren, with what are now the canebrake wren (C. zeledoni) and the isthmian wren (C. elutus), were called the plain wren. The three were split from each other in 2016 on the basis of a 2015 publication that described their different vocalizations and genetic divergence. Cabanis's wren is monotypic according to the International Ornithological Committee (IOC) and the Clements taxonomy. However, BirdLife International (BLI) retains C. modestus as "plain wren" with elutus as a subspecies of it rather than as a full species.
- 学名
- Cantorchilus modestus
- 命名信息
- (Cabanis, 1861)
- 目
- Passeriformes
- 科
- Troglodytidae
- 属
- Cantorchilus
分布与栖息地
Cabanis's wren is found from the Mexican states of Oaxaca and Chiapas south through Belize, Guatemala, El Salvador, Honduras, and Nicaragua to the Pacific side of central Costa Rica. It inhabits both dry and humid areas, occurring in a variety of surroundings including forest edges, second growth, and gardens. In elevation it ranges from sea level to approximately 2,000 m (6,600 ft).
- 迁徙
- Resident species
行为
Cabanis's wren usually forages in pairs in low dense vegetation, though it occasionally will hunt higher in trees. Its diet is mostly insects and spiders.<p>The nest of Cabanis's wren is roughly football-shaped with an entrance hole on the side. It is constructed of grass and other vegetable fibers, lined with softer material, and placed in dense vegetation within 3 m (9.8 ft) of the ground. The usual clutch size is two though clutches of three eggs are known.<p>The song of Cabanis's wren is "a loud motif of 3–4 clear whistles" [1]. Its calls include a "harsh 'chur' [2] and a "rippling, tinkling 'chi-cho-chi'" [3].
保护状况
- 种群趋势
- stable
照片
分布
鸟叫声
其他鸟类
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Arremon crassirostris
Medium-sized sparrowlike bird; olive overall with contrasting yellow belly, white mustache line, dark gray face, and rufous cap. Range does not overlap with other similar-looking sparrows and brushfinches. Tends to be quite shy. Usually found in pairs or small family groups, often scratching through leaf litter or low in a tangle around a forested stream. Sexes alike.
Andean Potoo
Nyctibius maculosus
Rare night bird found in high elevation Andean cloud forest. Cryptically patterned in brown and buff with white patches in the wings. Usually seen perching vertically on the tip of an exposed branch or snag. Sometimes encountered roosting or nesting during the day and may return to the same location over the course of months or even years. At night, it is usually detected by seeing its eyeshine in the beam of a light or by hearing its song—a short howl given at long intervals.
White-winged Tanager
Piranga leucoptera
Fairly small tanager of humid evergreen and pine-oak forest in foothills and highlands. Found mainly in the canopy, usually in pairs or small groups that sometimes join mixed-species feeding flocks. Distinctive male is brilliant red with black mask and black wings with neat white wingbars. Female has same plumage pattern as male but is greenish and yellow overall. Calls are high lisping whistles.
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