Mindoro Racquet-tail
Prioniturus mindorensis
A medium-sized parrot of lowland and foothill forest on Mindoro. The two central tail feathers have extended shafts ending in a racket shape. Overall green in color, darker on the back and paler below, with deeper green on the head, a deep blue central crown, and a dark blue hind-crown and edge to the wing. Note the pale bill. Occurs together with Blue-naped Parrot, but is smaller and lacks the thick red bill. Voice includes various squeals and grating calls.
分类信息
EBird describes the bird as "A medium-sized parrot of lowland and foothill forest on Mindoro. The two central tail feathers have extended shafts ending in a racket shape. Overall green in color, darker on the back and paler below, with deeper green on the head, a deep blue central crown, and a dark blue hind-crown and edge to the wing. Note the pale bill. Occurs together with Blue-naped Parrot, but is smaller and lacks the thick red bill. Voice includes various squeals and grating calls."<p>Females have shorter "rackets".<p>It eats berries, seeds and nuts.<p>Like all other racket-tails, they are cavity nesters.
- 学名
- Prioniturus mindorensis
- 命名信息
- Steere, 1890
- 目
- Psittaciformes
- 科
- Psittaculidae
- 属
- Prioniturus
分布与栖息地
It inhabits mainly tropical moist lowland forest but has been known to inhabit moist montane forest up to 1,670 meters above sea level, and has been to known to visit cultivated areas.<p>IUCN has assessed this bird as near threatened with its population being estimated as 2,500 to 9,999 mature individuals. It is threatened by habitat loss through legal and illegal logging, mining, road construction, slash-and-burn or kaingin and trapping for both food and the pet trade. By 1988, extensive deforestation on Mindoro had reduced forest cover to a mere 120 km2, of which only a small proportion is below this species's upper altitudinal limit. The lowland forest that does remain is highly fragmented. Slash-and-burn cultivation, occasional selective logging and rattan collection threaten the forest fragments that still support the species. Dynamite blasting for marble is an additional threat to forest at Puerto Galera.<p>Conservation actions proposed are to survey to quantify the population. Study the species's habitat requirements. Assess the level of threat from trapping pressure. Use remote sensing techniques to track land-use change on Mindoro. Carry out awareness-raising activities to reduce trapping activities.
- 迁徙
- Resident species
保护状况
- 种群趋势
- declining
照片
分布
其他鸟类
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A medium-sized shearwater with uniformly dark brown plumage and no contrasting markings. Flies more steadily than most shearwaters and usually flies low over the water. Large numbers nest on most of the Northwestern Hawaiian Islands. A few pairs nest on Moku Manu Islet off the eastern coast of Oahu. Often seen from boats in the Northwestern Hawaiian Islands, but rarely on the main islands and rarely from shore. The voice, usually heard only at breeding colonies, is a low moan.
Mekong Wagtail
Motacilla samveasnae
Large black-and-white wagtail with an intricately and uniquely striped head pattern. Wings and outer tail feathers flash brightly in flight. Adult male is black-backed, while the female and immature have a duller gray-brown back. Simple song is a compilation of a few high phrases of whistles and twitters. Call is harsh and buzzy. Found only around flowing lowland rivers with braided rocky sections, specifically a unique composite of gravel and sand bars with low vegetation and boulders.
Rufous-booted Racket-tail
Ocreatus addae
Tiny cloud forest hummingbird found in the eastern Andes from central Peru to Bolivia. Male’s distinctive tail feathers cross each other and splay out in a V shape. Female can be identified by her small size, buffy thighs and vent, spotted underparts, and white whisker. May overlap with Peruvian Racket-tail in central Peru; male Rufous-booted has a twisted (not straight) tail. Females of the two species look almost identical. Typically feeds at small flowers at forest edge or in clearings, and sometimes visits feeders.
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