Olive-green Tanager
Orthogonys chloricterus
Large tanager found in the canopy of montane forests and at forest borders in coastal mountain ranges. Highly gregarious; gathers in groups of up to 20 individuals and often visits feeders. Rather nondescript, olive-green above and yellowish below with a dark bill and eyes. The song is a very short and loud “sreee.”
识别特征
The olive-green tanager is 18 to 19 cm (7.1 to 7.5 in) long. The adult is olive green above and dull yellow below; it has a tinge of olive on the sides and flanks.
分类信息
The olive-green tanager and the three other species in family Mitrospingidæ were previously placed in family Thraupidæ, the "true" tanagers. A 2013 publication detailed how they did not belong there and proposed the new family for them. The North and South American Classification Committees of the American Ornithological Society accepted the new placement in July 2017 and March 2019, respectively. The International Ornithological Committee (IOC) followed suit in January 2018.<p>The olive-green tanager is the only member of its genus and has no subspecies.
- 学名
- Orthogonys chloricterus
- 命名信息
- (Vieillot, 1819)
- 目
- Passeriformes
- 科
- Thraupidae
- 属
- Orthogonys
分布与栖息地
The olive-green tanager is found only in southeastern Brazil, from Espírito Santo state south to eastern Santa Catarina and northeastern Rio Grande do Sul. It inhabits the interior and edges of humid montane forest at elevations of 900 to 1,800 m (3,000 to 5,900 ft).
- 迁徙
- Resident species
行为
The olive-green tanager's diet is primarily insects, though it also eats fruit. It typically forages in flocks of its own species that may number up to 20 individuals but more usually have about eight. It feeds in the mid- to upper levels of the forest, usually picking prey from leaves, and it also sallies for flying insects.<p>One olive-green tanager was noted carrying nest material to a bromeliad in a large tree. No other information has been published about its breeding phenology.<p>The olive-green tanager's song has been rendered as "tséé-si, si, si, tséé-si, si, si." Its call is a buzzy "tseee" and it also calls "wheek!" while foraging.
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类

Black-billed Mountain-Toucan
Andigena nigrirostris
Distinctive toucan of montane forests in the Andes from Venezuela to extreme northwest Peru. Easy to identify with black cap, dark bill, white throat, powder blue belly, and mostly brownish upperparts. Occurs from 1,500-2,500m, typically below the elevational range of Gray-breasted Mountain-Toucan but occasionally some overlap. Uncommon; usually found singly or in pairs in the forest canopy, often around fruiting trees.

Red Avadavat
Amandava amandava
Strikingly pretty small finch. Males are largely red and covered in white spots with dark wings and tail. Females are gray with a rufous rump. Both sexes have a red beak. Gives a very musical song a high "teei" call. Found in grassy areas close to water and often near human habitation, particularly areas with wet rice paddies.

Smooth-billed Ani
Crotophaga ani
Anis are bizarre, coal-black cuckoos with long floppy tails and unique, curiously tall, flattened bills. Smooth-billed occurs in a variety of open and semi-open habitats in tropical lowlands and foothills, typically staying low in shrubs and grasses. Gregarious and not particularly graceful; usually seen crashing around awkwardly in small groups. Flies with choppy wingbeats and long glides. Widespread and common throughout much of South America and the Caribbean, extending as far west as the Pacific slope of Costa Rica and north to Florida. Compare with the very similar Groove-billed Ani, which overlaps in some areas of Central and South America. Note especially the bill shape: Smooth-billed often (but not always) has a taller ridge on the top of the bill, and a sharper angle on the lower edge of the bill. The sides are typically smooth, rarely with weak grooves. Voice is also important: listen for a rising, hawklike whistle with an inflection at the end. Dark eye, size, and habitat help separate from Greater Ani in South America and Panama.
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