Peruvian Pigeon
Patagioenas oenops
Large, rusty pigeon confined to the Marañon drainage of northwestern Peru. Its range may extend to extreme southern Ecuador, but evidence is lacking. Plumage is mostly reddish with a gray belly, shoulder, and rump. It has a red base to the bill, a red eye-ring, and a yellowish to orange eye. Compared to Pale-vented Pigeon, which is fairly common in extreme southern Ecuador, Peruvian has a red base to the bill, lacks a pale tail band, and has an undertail that is not paler than the belly. Inhabits woodland and desert near watercourses.
识别特征
The male Maranon pigeon is 34 cm (13 in) long and females 31 to 34 cm (12 to 13 in). They weigh about 276 g (9.7 oz). Adult males' head, neck, and breast are dull reddish or reddish purple. The upperparts are blue-gray to dark gray with a purplish chestnut cast on the mid-back and wings. The underparts are light gray and the tail dark gray. The eye is black with orange and blue rings surrounded by bare blue-gray skin. Adult females are duller and browner as are juveniles.
分类信息
The International Ornithological Committee (IOC) calls this species Maranon pigeon. The South American Classification Committee of the American Ornithological Society (AOS), the Clements taxonomy, and Handbook of the Birds of the World all call it Peruvian pigeon.<p>The Maranon pigeon is monotypic. It is closely related to the red-billed pigeon (P. flavirostrus) and the plain pigeon (P. inornata); the three may form a superspecies.
- 学名
- Patagioenas oenops
- 命名信息
- (Salvin, 1895)
- 目
- Columbiformes
- 科
- Columbidae
- 属
- Patagioenas
分布与栖息地
The Maranon pigeon is found from extreme southeastern Ecuador southeast into Peru as far as the Department of La Libertad. It seasonally moves between riparian forest and dryer upslope forest. In elevation it ranges from 850 to 2,400 m (2,790 to 7,870 ft).
- 迁徙
- Complete migrants
行为
The Maranon pigeon forages in small groups. Its diet is not well known, but it has been observed eating ripe coca seeds and fruits of Cordia lutea.<p>Essentially nothing is known about the Maranon pigeon's breeding phenology.<p>The Maranon pigeon's song is "a rhythmic series of coos, typically starting with a single note followed by triple notes repeated: 'rwhoOoh...pUh-hu-whoOOo...pUh-hu-whoOOo...pUh-hu-whoOOo...'."
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
Purple-backed Thornbill
Ramphomicron microrhynchum
Small hummingbird with an extremely short, straight bill. Males are unmistakable: brilliant purple above and green below. Females are green above and whitish below with dense green spotting, especially on the flanks. Both sexes have a fairly long, notched tail. Occurs in the Andes from western Venezuela to Peru. Usually seen singly in the canopy or borders of humid elfin forest near treeline, though can gather in larger numbers at flowering trees. Also ventures into páramo; occasionally descends to lower elevations in the dry season. Seasonal movements are not understood.
Oaxaca Sparrow
Aimophila notosticta
Very local and endemic to interior of Oaxaca, where replaces larger and bulkier Rusty Sparrow (no known range overlap). Favors brushy woodland and edge and oak thickets with adjacent grassy areas. Usually rather skulking, on or near the ground, but often feeds at edges early and late in the day. Sings from more conspicuous perches in bushes and trees. Note the all-black bill and strong face pattern, with black lores setting off the broken white eyering.
Mariana Swiftlet
Aerodramus bartschi
A tiny, all-dark swift. Flight is fast, fluttery, and batlike. Usually observed flying continuously along ridges or over the forest canopy. Native to the Mariana Islands; introduced to Hawaii from Guam in the 1960s. In Hawaii, occurs only in the mountains of Central Oahu, seen primarily in Halawa Valley and the adjacent Aiea Loop Trail.
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