Luzon Redstart
Phoenicurus bicolor
A fairly small bird of fast-flowing streams through foothill and montane forest or scrub. Slaty-blue with a rufous belly and tail. Female is a duller version of the male. Somewhat similar in color to Blue-headed Fantail, but has a shorter tail and is usually restricted to streams. Also similar to Blue Rock-Thrush, but smaller, with a dark tail. Song is a slightly ascending series of notes run together to sound like a quavering whistle.
识别特征
EBird describes the bird as "A fairly small bird of fast-flowing streams through foothill and montane forest or scrub. Slaty-blue with a rufous belly and tail. Female is a duller version of the male. Somewhat similar in color to Blue-headed Fantail, but has a shorter tail and is usually restricted to streams. Also similar to Blue Rock-Thrush, but smaller, with a dark tail. Song is a slightly ascending series of notes run together to sound like a quavering whistle."<p>They exhibit sexual dimorphism which males have the red belly and vents with the females having a plainer and more uniform blue plumage.<p>Its primary diet includes small invertebrates.
分类信息
- 学名
- Phoenicurus bicolor
- 命名信息
- (Ogilvie-Grant, 1894)
- 目
- Passeriformes
- 科
- Muscicapidae
- 属
- Phoenicurus
分布与栖息地
It inhabits the sides of clean, fast-flowing mountain streams and rivers, above 300 m. Adjacent habitat includes tropical montane forest, pine forest or just scrub and scattered trees. Records from Dalton Pass between August and December indicate that some birds wander post-breeding.<p>IUCN has assessed this bird as near-threatened with the population estimated at 2,500 to 9,999 mature individuals and continuing to decline. Its main threat is habitat degradation caused by pollution of its streams through mining and dumping of trash and agro-chemicals. It is also affected by legal and illegal logging and conversion of forest into farmland.<p>It occurs in a few protected areas such as Northern Sierra Madre Natural Park, Maria Aurora National Park, Balbalasang-Balbalan National Park, Mount Pulag National Park and Mt. Iglit-Baco National Park (which is also the stronghold of the Tamaraw). However, as with most areas in the Philippines, protection from hunting and illegal logging is lax.<p>Conservation actions proposed include surveys of suitable mountain streams to clarify its distribution, population status and the influence of pollution and siltation on population. Research its ecological requirements and seasonal movements to facilitate conservation planning. Propose formal protection for other key sites. Stricted enforcement on controlling river pollution, mining and logging. Monitor water quality and habitat conditions in areas downstream of mining operations. Campaign for a ban on mining in key areas for this species.
- 迁徙
- Resident species
保护状况
- 种群趋势
- declining
照片
分布
其他鸟类
Dark Chanting-Goshawk
Melierax metabates
A tall, long-tailed, slaty-gray hawk with pink-orange legs and bill base. The flight feathers and wing tips are dark on both the upper and under wings, creating a uniformly dark wing pattern in flight. Pairs inhabit broadleaved woodland and well-wooded savanna. Chanting-goshawks give a strong, gull-like “kleeeu” call, hence their name. Dark Chanting-Goshawk always has a gray-barred rump, while other chanting-goshawks are paler, prefer drier habitats, and have unbarred white rumps. Eastern Chanting-Goshawk has yellow skin at the base of the bill. Pale Chanting-Goshawk has pale inner flight feathers and dark wing tips, creating a very contrasting wing pattern.
Dark-faced Ground-Tyrant
Muscisaxicola maclovianus
Small and rather distinctive terrestrial flycatcher, breeding in the southern Andes at high elevation and migrating north in winter where it can also be found in lowlands. Breeds in open rocky areas, sometimes down to level of open forest. Migrants often in flocks, sometimes a few hundred birds, as on playing fields and beaches. Upperparts relatively dark gray with blackish face mask, and an inconspicuous dark rusty nape patch. Resident Falkland population larger and plainer overall, likely a different species; found on moorland and beaches.
Striated Heron
Butorides striata
A very widespread small heron, common across much of the globe. Small size and overall gray color separates from most other herons and bitterns. Look for contrasting dark cap, distinct pale edges on wing feathers, and white and rufous stripes on front of neck. Juvenile streakier below than adult. Similar to Green Heron but note mostly gray neck with restricted rufous. Juvenile is much smaller and more slender than juvenile Black-crowned Night-Heron, with long streaks on the chest and spotting restricted to the wings. Normally solitary, found standing quietly around wetland habitats such as marshes, agricultural fields, rivers, and lakes.
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