Purple Quail-Dove
Geotrygon purpurata
Stunning dove found in very wet rainforest in the lowlands and foothills of western Colombia and northwestern Ecuador. Notable features include a chestnut back, pale belly, golden neck patches, and a striking head pattern. Might be confused with the duller Olive-backed Quail-Dove in dark forest, where color is not easy to discern; note the neck patches and stronger contrast between white forehead and darker crown on Purple Quail-Dove. Usually encountered alone, quietly walking along the forest floor. May ascend to a low perch when flushed or when it sings—a soft whistle repeated every few seconds.
识别特征
The purple quail-dove is 22 to 26 cm (8.7 to 10.2 in) long and weighs about 155 g (5.5 oz). The adult male has reddish-brown upperparts with a purplish wash, rich reddish purple wing coverts, and bright ultramarine back and rump. The tail is blackish with white tips on the outer three feathers. The underparts are grayish white. The head has an intricate pattern of indigo crown and nape, mostly white face and throat, a blackish purple malar stripe, and iridescent golden green sides of the neck. The eyes are pale red surrounded by bare black skin. The adult female is duller than the male and the upperparts are a less rich red-brown. Juveniles are even duller, with a less distinct facial pattern, buffy markings on the upperparts, and no iridescence.
分类信息
The purple quail-dove was at one time considered a subspecies of sapphire quail-dove, now Geotrygon saphirina but then named Osculatia saphirina. Since the early 2010s it has been treated as a separate species.
- 学名
- Geotrygon purpurata
- 命名信息
- (Salvin, 1878)
- 目
- Columbiformes
- 科
- Columbidae
- 属
- Geotrygon
分布与栖息地
The purple quail-dove is found from northwestern Colombia south to northwestern Ecuador. It inhabits the ground and undergrowth of primary and older secondary evergreen montane forest. In Colombia it ranges from 200 to 1,100 m (660 to 3,610 ft) in elevation but only up to 700 m (2,300 ft) in Ecuador.
- 迁徙
- Resident species
行为
The purple quail-dove forages on the ground, singly or in pairs. Its diet has not been documented but it probably eats seeds and small invertebrates like other quail-doves.<p>A male purple quail-dove with enlarged testes was taken in Ecuador in June, but no other information about its breeding phenology is known.<p>The purple quail-dove's song is "a sustained series of soft, hollow coos, 'whot, WHOO-OO-OIT'."
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
Tiny Hawk
Microspizias superciliosus
Well-named, this is truly a small hawk, although size can be difficult to judge. Look for fine barring on the underparts, darker cap, and relatively short tail. Adults are gray, juveniles warmer rufous. Lacks a conspicuous collar wrapping around the neck, as in Semicollared Hawk. Not frequently seen; often stays inside forests, where it hunts small birds. Sometimes perches at the forest edge. Almost always seen singly.
Bay-backed Shrike
Lanius vittatus
Brightly-colored small shrike, reminiscent of Long-tailed Shrike in overall coloration. Black mask, rufous flanks and back, clean white throat, and small size make it distinctive within its range. Prefers open areas, often in dry regions, with scattered vegetation. Often perches up on exposed snags, fenceposts, or telephone lines. Song is a messy jumble of musical warbles, harsh churrs, and sharp twanging notes. Calls include a harsh “jhiir.”
Barratt's Warbler
Bradypterus barratti
A skulky, dull brown warbler with a long and graduated tail, a pale grayish eyebrow, and a throat that is lightly streaked. It creeps around mouse-like in thick undergrowth and tangles in forest and forest edge. It is also found in isolated pockets of scrub, often adjacent to streams, and is frequently detected and identified by its song, mostly delivered between September and December: 2-3 sweet “tsiit” notes followed by a loud trill of 15-20 harsh “tchui” notes. It also has a strident chipping alarm call “tddd-ddr-ddr-ddr-ddr-tt.” The similar Knysna Warbler differs from Barratt’s Warbler by its shorter tail, darker underparts, less pronounced throat streaking, and different song.
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