Costa Rican Swift
Chaetura fumosa
Smallest swift in most of range. All dark gray with contrasting pale rump and paler throat, both of which can be difficult to see in many viewing conditions. A good look at the rump is necessary for a firm visual identification, otherwise Vaux’s Swift can look very similar. However, in some parts of its range (the Osa Peninsula, for example) this is the only small Chaetura swift. Makes twittering calls similar to many other swifts. Usually found in flocks over forests and more open areas.
分类信息
- 学名
- Chaetura fumosa
- 命名信息
- Salvin, 1870
- 目
- Apodiformes
- 科
- Apodidae
- 属
- Chaetura
分布与栖息地
- 迁徙
- Resident species
保护状况
- 种群趋势
- stable
照片
分布
鸟叫声
其他鸟类
Biak Megapode
Megapodius geelvinkianus
A small, dark scrubfowl of forest and disturbed habitats on the Bay Islands where the only member of its family. Sooty gray plumage, bare red to gray face, slight crest at the back of the head, reddish legs, and yellowish bill. It scrapes the forest floor with its large feet to uncover invertebrates. More often heard than seen. Vocal, giving varied parrotlike squeals. A common call is 2 tuneless yelps similar to New Guinea Scrubfowl, the first note higher than the second.
Buff-breasted Tody-Tyrant
Hemitriccus mirandae
Unobtrusive, drab little brownish flycatcher. Olive-backed, pale below, with the head looking disproportionately large compared to the rest of the body. Note the buff lores and eye-ring. Inhabits remnant humid forest patches at higher elevations. Sings a sharp series of “kit-kit-kit-kiit-kiit-kiiit-kit” notes.
Fiji Shrikebill
Clytorhynchus vitiensis
A large, featureless chestnut-brown shrikebill with a slightly gray collar and a bicolored hooked bill. Found in thick scrub, mostly in wooded areas and forest, up to 1200 meters of elevation. Very similar to female Black-throated Shrikebill but smaller, with a much slighter bill. Common call is a three-syllabled whistle, “tee-te-oooo.”
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在户外识别鸟类，并在下一次观察时随手查阅鸟类图鉴。