Dusky Grouse
Dendragapus obscurus
Large, dark chickenlike bird found in wooded habitats, usually with conifers and shrubby undergrowth. Typically seen on the ground; easiest to see in mid-summer when females and chicks frequent roadsides and trails. When male displays, ruffles neck feathers to reveal wrinkled purple-red skin and makes deep hooting noise. Female browner and more intricately patterned. Note large size and relatively long tail. Feeds on plant matter, especially conifer needles. Separate from Sooty Grouse by range.
识别特征
Adults have a long square tail, gray at the end. Adult males are mainly dark with a purplish throat air sac surrounded by white, and a yellow to red wattle over the eye during display. Adult females are mottled brown with dark brown and white marks on the underparts.<p>Males are larger than females, with a male mean body mass of 1.21 kg (2.67 lbs.) compared to a mean 0.91 kg (2.01 lbs.) in females.
分类信息
The dusky grouse has four recognized subspecies:
- 学名
- Dendragapus obscurus
- 命名信息
- (Say, 1822)
- 目
- Galliformes
- 科
- Phasianidae
- 属
- Dendragapus
分布与栖息地
The breeding habitat of the dusky grouse is the edges of conifer and mixed forests in mountainous regions of western North America, from southeastern Alaska and Yukon south to New Mexico. Their range is closely associated with that of various conifers. Their nest is a scrape on the ground concealed under a shrub or log.
- 迁徙
- Vertical migration
保护状况
- 种群趋势
- stable
照片
分布
鸟叫声
其他鸟类

Black-headed Grosbeak
Pheucticus melanocephalus
Males are black-and-orange like an oriole, but stockier with a very thick bill. Nonbreeding males, females, and immatures typically have an orangey wash across breast with fine dark streaking on sides. Underwing coverts are always yellow. Bill usually looks bicolored, darker above and paler below. Fairly common in a variety of woodlands including mountain forests, thickets along desert streams, and backyards. Winters in Mexico. Regularly visits feeders. Listen for sweet robinlike song and squeaky call. Compare females and immatures with extremely similar Rose-breasted Grosbeak, which is usually identifiable by range. Black-headed usually has sparser and finer streaking on the underparts and more orange tones.

Indian Robin
Copsychus fulicatus
A nondescript robin; males are primarily black with chestnut bottom feathers, although males in the northern population have brownish upperparts. Males also have a white shoulder patch and a relatively long tail. Females have completely brown upperparts, lack the male’s white shoulder patch, and have grayish-brown underparts. They are generally seen in pairs, foraging on the ground with the tail cocked up. Found in open country, at forest edges, around human habitation, and in scrub lands.

Eastern Paradise-Whydah
Vidua paradisaea
The breeding male is buff, chestnut, and black with a 21-centimeter tail that is laterally flattened with both short bulging feathers and long, tapering dagger-like feathers. The female and non-breeding male have a strongly contrasting black-and-white head, including a characteristic dark bill and a double “C” pattern under the ear. The males aggressively hold territories, but small groups forage together in dry and moist savanna. After breeding, they flock with other seedeaters. This whydah gives dry chip calls and imitates the calls of the Green-winged Pytilia, which it parasitizes. The Broad-tailed Paradise-Whydah differs from the Eastern Paradise-Whydah as follows: the breeding male has a shorter broader tail; the non-breeding male and female have a paler bill and a plainer facial pattern.
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