Yellow-faced Parrotlet
Forpus xanthops
Tiny, uncommon parrot restricted to deserts in the Marañon Valley of northern Peru. The yellow (not green) crown, face, and throat separate it from Pacific Parrotlet. The rump and the inner part of the wings are bright blue, but are often concealed when the bird is perched. Found in very dry areas near the base of the valley, especially in areas with abundant cacti, a favorite food source. Threatened by poaching and habitat loss.
识别特征
Yellow-faced parrotlets are about 14.5 cm (5.7 in) long and weigh about 35 grams (1.2 oz). Their bodies are mostly dark or olive green with gray washes on the nape and mantle and yellow-green underparts, and foreheads, crown, cheeks, and throat are bright yellow. A gray-green stripe extends backwards from each eye. Eyes are dark brown and feet and lower mandibles are light peach. The upper mandible is light peach with a gray or darker brown base. Yellow-faced parrotlets are sexually dimorphic: males have bright blue lower backs, tail, secondary, and underwing coverts, and inner primary feathers. Females' blue feathers are lighter on their backs and rumps, with blue-tinged green coverts, secondaries, and primaries.<p>Juveniles of the species look similar to adults, but are duller and have fewer yellow feathers and an entirely peach beak.<p>Like all parrots, yellow-faced parrotlets exhibit zygodactyly, meaning two toes face forward and two toes face backward.
分类信息
- 学名
- Forpus xanthops
- 命名信息
- (Salvin, 1895)
- 目
- Psittaciformes
- 科
- Psittacidae
- 属
- Forpus
分布与栖息地
Yellow-faced parrotlets are found in northwestern Peru in the upper Rio Marañón valley, from eastern La Libertad north to southeastern Cajamarca and southern Amazonas.<p>Yellow-faced parrotlets prefer arid, low-density woodlands in upper tropical and subtropical areas including scrub, riparian zones, open balsa woodland, cactus montane desert, and open country with scattered vegetation. They are found at altitudes of 800–1,000 metres (2,600–3,300 ft), and rarely up to 2,400 metres (7,900 ft) above sea level.
- 迁徙
- Resident species
保护状况
The yellow-faced parrotlet is currently listed as a Vulnerable species by the IUCN Red List. The number of mature individuals in the wild is estimated to be 250-999 birds as of October 2016.<p>The population size is currently stable, but birds are often trapped for the wild parrot trade. The mortality rate of this practice is estimated to be 40-100%. The construction of dams on the Rio Marañón is also a threat to yellow-faced parrotlet populations, as human activity tends to be detrimental to their habitat.<p>Yellow-faced parrotlets are protected, and international trade is prohibited by the Wild Bird Conservation Act and other legislation.
- 种群趋势
- stable
照片
分布
鸟叫声
其他鸟类
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Sericulus chrysocephalus
Small forest bowerbird. Males and females differ greatly. Males are black with stunning bright gold on the head and wings. Females are light brown with scalloping on the breast and back; they are much smaller and more lightly build than big, plump Satin Bowerbirds. Males have a bright yellow bill, while female’s is black-gray. Usually found in rainforest. The male builds a small open bower out of twigs and decorates it with small objects in order to attract a mate. This species is not very vocal and is usually only heard calling near a bower.
Bare-faced Curassow
Crax fasciolata
Very large terrestrial species. Males are mostly black with a curly crest and a white belly and vent. Note the yellow knob on a black-tipped bill. Females are barred black and white above and have a buffy belly and vent, a black bill with some yellow at the base of the lower bill. Usually found in humid forests and gallery forests foraging singly or in pairs; can be very tame. Commonest call is a high-pitched whistled “kseuw.”
Sooty Grassquit
Asemospiza fuliginosa
Small nondescript finchlike bird found at humid forest edges and in shrubby and grassy areas. Males are sooty black with a gray bill. Females are dark brown above and pale brown below with a brownish bill. The song is a buzzy “ezz’u’da’liu.”
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