Spike-heeled Lark
Chersomanes albofasciata
A sociable lark with a decurved bill, upright posture, and a diagnostic short white-tipped tail. The plumage is highly variable, but the throat is always paler than the underparts, which vary from buff to rusty; eastern populations are darker than western ones. Small groups of 3 to 10 birds are resident in desert, semi-desert, and grassland, where they forage for invertebrates and seeds in open country with sparse low bushes. The species flies low with a bobbing flight pattern, and generally for distances of only 10 to 50 meters, before dropping suddenly to the ground. Gives a characteristic quavering trill “trrrri-trrri-trrri-trrri” and other soft contact calls.
分类信息
- 学名
- Chersomanes albofasciata
- 目
- Passeriformes
- 科
- Alaudidae
- 属
- Chersomanes
照片
分布
鸟叫声
其他鸟类

Green-throated Mango
Anthracothorax viridigula
Large, dark hummingbird found in coastal regions and along large rivers. Use caution eliminating the more widespread Black-throated Mango, which often occurs in the same habitats; female-plumaged birds in particular may not be safely separable. Found in mangroves, abandoned plantations, swampy forests, and urban areas, often at higher levels in flowering trees, where it feeds on nectar and hawks for tiny flying insects. In proper light, green throat of male is diagnostic. Tail color is useful if bird can be studied at length; Green-throated’s tail is mostly purple, with brownish central tail feathers (tail of Black-throated is more chestnut, but subject to variation depending on light).

Cook's Petrel
Pterodroma cookii
A small, fast-flying petrel with long narrow wings and bright white underparts. Found singly or in loose aggregations, well offshore in warmer Pacific waters, mainly from March to August. Flight varies from low and weaving, into the wind, to high and arcing across the wind. Note gray cap and upperparts with dark M pattern across upperwings and dark tail tip. Underparts are white with very narrow black margins to wings. Many birds off Mexican coast are in wing molt.

Mindanao Cuckooshrike
Coracina kochii
Burly gray cuckooshrike with dark eyes and a heavy bill. Endemic to the southern and east-central Philippines, from Bohol east to Samar, and south to Mindanao and Basilan. Both male and female are gray above and barred black-and-white below. Inhabits lowland and foothill forest and forest edge, where forages at middle and upper levels, sometimes associating with other species. Gives a range of high-pitched and scratchy calls, including doubled screeching notes: “whee-wheet!” Formerly treated as part of a more broadly-defined “Bar-bellied Cuckooshrike”.
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