Campo Troupial
Icterus jamacaii
Large and attractive blackbird with a long tail and a sharply pointed bill. Mostly black with a bright orange collar, belly, and rump. The orange shoulder patch and white wing patch stand out on its otherwise black wing. Note the piercing yellow eyes. Inhabits the edge of dry forests (caatinga) and is also seen in gardens and urban parks. The song is a series of pleasant whistles and the calls include harsh notes.
识别特征
The campo troupial is very similar in appearance to the Venezuelan troupial (Icterus icterus) with which it was at one time thought to be conspecific. It is a robust bird about 23 cm (9 in) long with a long tail and a broad beak. It is bright orange apart from a black hood and bib, back, wings and tail. There is an uneven line dividing the bib from the breast. It differs from the Venezuelan troupial in having only a small patch of white on its wings and hardly any bluish skin around its eye, and it has orange epaulettes on its shoulders whereas the Venezuelan bird does not. It could also be confused with the orange-backed troupial (Icterus croconotus), with which it was also once considered conspecific, but that species has an orange head apart from a patch of black on its forehead, a sharp dividing line between its bib and its breast, and rather more orange on its back.
分类信息
The campo troupial was formally described in 1788 by the German naturalist Johann Friedrich Gmelin in his revised and expanded edition of Carl Linnaeus's Systema Naturae. He placed it with the orioles in the genus Oriolus and coined the binomial name Oriolus jamacaii. Gmelin's text was based ultimately on the "Jamacaii" that had been described and illustrated in 1648 by the German naturalist Georg Marcgrave in his work Historia Naturalis Brasiliae. Marcgrave wrote that Jamacaii was the Brazilian name for the bird. The name is not listed in Rodolpho Garcia's list of Tupi bird names but it may have been applied to the species by Portuguese settlers. The campo troupial is now placed in the genus Icterus that was introduced by Mathurin Brisson in 1760. The species in monotypic: no subspecies are recognised. The genus name Icterus is from Greek ἴκτερος (íkteros, “jaundice”); the icterus was a bird the sight of which was believed to cure jaundice, perhaps the Eurasian golden oriole. The specific name jamacaii comes from the name used for this species by Marcgrave. Additional names used for this species in the 1800s include black-banded troupiale, soffre, and (erroneously) Jamaica yellow bird.
- 学名
- Icterus jamacaii
- 命名信息
- (Gmelin, JF, 1788)
- 目
- Passeriformes
- 科
- Icteridae
- 属
- Icterus
分布与栖息地
The campo troupial is endemic to northeastern Brazil, where its area of occurrence is estimated to be over 2,000,000 square kilometres (770,000 sq mi). It typically inhabits dry scrubland and deciduous woodland, at elevations up to 700 m (2,300 ft) or more. The ranges of the Venezuelan troupial, the campo troupial and the orange-backed troupial do not overlap.
- 迁徙
- Resident species
行为
Migration pattern: Resident species.
保护状况
Population trend: stable.
- 种群趋势
- stable
照片
分布
鸟叫声
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