Masked Tanager
Stilpnia nigrocincta
Handsome tanager of lowland and foothill rainforest east of the Andes. Pale blue head contrasts sharply with black breast and back. White belly and blue shoulder patch help separate it from the similar Blue-necked Tanager. Found in open areas with scattered trees and in forest edge (usually not inside forest). Typically does not join mixed-species flocks, though may congregate with other birds at fruiting trees.
分类信息
- 学名
- Stilpnia nigrocincta
- 命名信息
- (Bonaparte, 1838)
- 目
- Passeriformes
- 科
- Thraupidae
- 属
- Stilpnia
分布与栖息地
- 迁徙
- Resident species
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类

European Roller
Coracias garrulus
Spectacular and distinctive: overall brilliant blue, with a rusty back and a stout, crowlike bill; juvenile plumage duller overall. Favors open and semiopen country with scattered trees and wooded patches; often takes larger insects, such as grasshoppers. Mostly seen singly or in small groups, perched on prominent perches, such as bare snags and wires, as well as on the ground. Quiet outside of the breeding season, when birds give harsh rasping calls.

Horned Sungem
Heliactin bilophus
Stunning hummingbird with a short straight bill. Males have a dark blue crown with red, blue, and gold tufted “horns” on the side. Otherwise largely metallic green above and white below with a black throat. Females have a green cap and lack the horns. Found in riverine belts and open savanna grasslands; may venture into adjacent human-modified habitats.

Ring-billed Gull
Larus delawarensis
Fairly small gull, common and widespread throughout most of North America. Breeding adults are white-headed with a bold black ring around the bill; nonbreeding adults have smudgy brown markings on the head. Note pale eye and yellow legs. Immatures are mottled brownish overall; note pink bill with black tip. Found along lakes, rivers, ponds, and beaches. More common inland than most other gull species, and quite fond of parking lots and urban areas. Often in flocks. Most similar to Short-billed Gull, but larger and larger-billed. Immatures of the two species are especially difficult to differentiate, but Ring-billed is usually more coarsely mottled.
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