Gray-headed Woodpecker
Picus canus
Distinctive medium-sized woodpecker with significant variation across its wide range. Always look for a gray face and thin black moustache stripe. Males have a red forehead patch, which females lack. Varies significantly across range: birds from northern Europe to northeastern Asia have pale gray heads and pale green wings; birds in the rest of mainland Asia average darker overall, with dark napes and crowns; Sumatran birds are dark rusty cinnamon overall. Favored habitats vary with range, including many wooded or semi-wooded habitats from lowlands up into the highlands. Most commonly heard calls a sharp, high-pitched “pik” and a descending series of whistled notes that speeds up, then slows.
分类信息
- 学名
- Picus canus
- 目
- Piciformes
- 科
- Picidae
- 属
- Picus
照片
鸟叫声
其他鸟类
Barrow's Goldeneye
Bucephala islandica
Striking diving duck of coastal harbors, mountain lakes, and large rivers. Very similar to Common Goldeneye. Males are easiest: Barrow’s has more black on the back, a downward-pointing spur on the side, and a crescent-shaped (not circular) white patch on the face. Females can be very difficult. Barrow’s usually has a yellow bill, but Common can rarely show a dull yellowish bill. Head and bill shape are important: Barrow’s has a steeper forehead and a puffy nape, and a shorter bill with a more rounded lower edge. Fairly common in western U.S. and Canada; much less common in the northeast. Small population in Iceland. Frequently found in mixed flocks with Common Goldeneye.
Black-throated Laughingthrush
Pterorhinus chinensis
Sleek gray songbird with white cheek patch and black face and throat; Hainan subspecies has a browner body and no white patch. Forages on the ground in a variety of lowland and hilly wooded and forested areas, including dense primary forest and brushy forest edges. Noisily flips over leaves and twigs to root out invertebrates. Usually found in pairs or small flocks. Noisy and vocal; a beautiful songster with a rich, warbling song, into which it often expertly incorporates the vocalizations of other species. Unfortunately, popular in the cagebird trade, and declining or extirpated in parts of range.
Mindanao Racquet-tail
Prioniturus waterstradti
A medium-sized parrot of montane forest on Mindanao. The two central tail feathers have extended shafts ending in a racket shape. Green overall, darker on the back and paler below, with deeper green on the head and a blue face. Occurs together with Mindanao Lorikeet, but is larger and lacks the red face and bill. Voice includes various nasal squeals and a harsh, metallic “ra-geek!” often in flight.
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