Olive-backed Quail-Dove
Leptotrygon veraguensis
Plump ground-dwelling dove, small for a quail-dove and much darker overall compared with the others. Overall dark grayish with contrasting white face and cheek. Lower belly is whitish, fading to a buffy vent. Pinkish-red legs. Sexes alike. Prefers forests, usually on the ground unless flushed up into the lower levels of a tree. Like most quail-doves, often best seen by quietly walking along trails at dawn and dusk.
识别特征
The male olive-backed quail-dove is 21 to 24.5 cm (8.3 to 9.6 in) long and the female 21 to 22 cm (8.3 to 8.7 in). They weigh about 155 g (5.5 oz). The adult's forehead is white transitioning to a gray crown and purple hindcrown, nape, and neck. A broad white stripe under the eye has a narrower black stripe under it. The upperparts are dark olive brown or purplish brown. The throat is white and the belly white or buffy white, with reddish buff flanks. The neck, breast, and upperparts have a greenish or purplish iridescence. The sexes are generally alike though the female may sometimes have a buff forehead and crown. Juveniles are similar as well but their feathers have rusty fringes and they have no iridescence.
分类信息
The olive-backed quail-dove was originally assigned to genus Geotrygon and even earlier to Oreopeleia, but a 2013 paper provided the basis for its present assignment. The American Ornithological Society (AOS) made the change in 2014 and the International Ornithological Committee (IOC) in 2015. It is the only species in its genus.
- 学名
- Leptotrygon veraguensis
- 命名信息
- (Lawrence, 1866)
- 目
- Columbiformes
- 科
- Columbidae
- 属
- Leptotrygon
分布与栖息地
The olive-backed quail dove is found on the Caribbean slope of far southern Nicaragua, Costa Rica, and Panama, and also the Pacific slope of eastern Panama through western Colombia into northern Ecuador's Esmeraldas Province. It inhabits dense wet forest, particularly wet ravines, from sea level to 900 m (3,000 ft).
- 迁徙
- Resident species
行为
The olive-backed quail-dove is a year round resident in its range. It prefers to walk or run when fleeing from danger, but sometimes flushes for short distances if disturbed.<p>The olive-backed quail-dove forages singly or in pairs, searching the understory or on the ground for seeds, fruits, and small invertebrates.<p>The olive-backed quail-dove's breeding season spans January to July in Costa Rica, and breeding evidence has been recorded between those months elsewhere in its range. It makes a bulky nest of twigs and rootlets in vegetation, usually about 1 to 2 m (3.3 to 6.6 ft) of the ground. The clutch size is two.<p>The olive-backed quail-dove's song is "a low-pitched short single note 'whOuw', with a rather frog-like quality."
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
Trocaz Pigeon
Columba trocaz
Endemic to the island of Madeira, where it is largely restricted to native laurel and tree heath forests. Body is largely gray with a purple-pink breast, and a noticeable silvery patch with black streaks on the side of the neck. The iris is yellow with a red ring around the eyes. Compare with the only other pigeon on the island, the Rock Pigeon; note differences in structure, color, and habitat preference. Song is a series of very low, groaning coos.
Mountain Owlet-nightjar
Aegotheles albertisi
A small owlet-nightjar of montane forests. Dark head, pale collar, barred back and tail. A rufous morph also occurs. Day-roosting birds are sometimes found in dense thickets. May overlap with Wallace’s Owlet-nightjar, which lacks the pale collar, and Vogelkop Owlet-nightjar, which has a barred chest. Call, a sharp falling “wek!” or “wek-wek!” sounding like a squeaky toy or given as a raspy note.
Ethiopian Cisticola
Cisticola lugubris
A relatively colorful, mid-sized, long-tailed cisticola. Note the gray-brown back with thick black streaks, the rufous on the wing and cap, and the whitish underparts. Tail is slightly longer in non-breeding plumage. Found in wetlands, moist grassland, and scrub. Similar to Stout Cisticola, but has a slimmer bill, longer tail, and brighter rufous wing panel. The vocalizations are quick bursts of rough calls, usually followed by the dry, trilling song.
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