Azure-naped Jay
Cyanocorax heilprini
Large blue-gray jay with a black face and piercing yellow eyes. Note the white-tipped tail. Found at forest edges, in wooded savanna, in second growth, and in white sand forests, avoiding the interior of humid forests. The “Campina Jay” subspecies of southern Amazonia, considered a species by some authorities, has a pale azure rather than dark purplish-blue breast, a paler uppertail, and two bare blue skin patches around the eye. The call is a loud, harsh “jeer,” similar to the call of Violaceous Jay.
识别特征
The back is dark brown, as are the upper sides of the wings and tail. The rear crown and nape are bright lavender blue. The front and sides of the head are black, with the feathers of the forecrown and forehead curled up and forwards in a short bushy crest. From the chin to the centre of the breast the bird is dark violaceous-grey. The lower breast and belly are violaceous, fading to white on the lower belly and vent. The eyes are pale to yellowish-white and the bill, feet and legs are black.
分类信息
The Azure-naped jay was first described by Alan F. Gentry based on a single specimen, marked as a male, from the T. B. Wilson Collection of the Academy of Natural Sciences of Philadelphia.<p>The genus Cyanocorax comes from the Ancient Greek kuanos (dark blue) and korax (raven). The species epithet heilprini honours Gentry's friend, Professor Angelo Heilprin.There are two identified subspecies:
- 学名
- Cyanocorax heilprini
- 命名信息
- Gentry, 1885
- 目
- Passeriformes
- 科
- Corvidae
- 属
- Cyanocorax
分布与栖息地
- 迁徙
- Resident species
行为
These birds are found in noisy groups that travel slowly, foraging at all levels. They are wary of observers and will utter alarm cries, taking turns to observe an intruder before moving on, or simply disappear into surrounding vegetation.
保护状况
- 种群趋势
- stable
照片
分布
鸟叫声
其他鸟类

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Synthliboramphus wumizusume
Small, plump seabird of marine habitats, closer to shore during breeding season, in open waters otherwise; occasionally visits inlets and harbors, especially in late winter and spring. Similar to thinner-billed Ancient Murrelet, both being gray above, white below, darker flight feathers and white underwing coverts. In nonbreeding plumage, Japanese has white throat and lores, white stippling in crown; in breeding plumage, white plumes in crest much broader than Ancient. Sharp “chi-chi-chi” call recalls buntings’ flight calls.

Crimson-breasted Finch
Rhodospingus cruentus
Small finch-like bird restricted to the lowlands of western Ecuador, northwestern Peru, and extreme southwestern Colombia. Male is glossy-black with fiery red underparts and crown. Female is tan with a buffy-tinged breast; she is similar to some female seedeaters, but has a more slender bill. Typically found alone or in pairs in forest understory, tangled scrub, and overgrown clearings.

Heermann's Gull
Larus heermanni
Unique smoky-gray gull with red bill. Breeding adults have a clean white head that blends seamlessly into the gray neck; nonbreeding adults have smudgy dark streaking on the head. Immatures are entirely dark brown with a yellowish or reddish bill with a dark tip. Almost exclusively coastal; usually seen in flocks loafing on beaches or feeding in nearshore waters. Breeds in Mexico mainly in the Gulf of California; migrates as far north as Washington and British Columbia in winter. Overall dark plumage of immatures might recall a dark-morph jaeger; note Heermann's lacks pale wing flashes and never shows pale mottling on the belly or underwings.
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