Rio Suno Antwren
Myrmotherula sunensis
Scarce and confusing antwren of lowland rainforest; known from scattered locations throughout the western parts of the Amazon basin. Male is gray with a black bib and white spots on the wings that usually form bars. Female is mostly brown and extremely difficult to separate from several other antwren species. Male is told from male Long-winged Antwren by gray (not whitish) belly, lack of a distinct white tip to the tail, and smaller wing dots. No overlap with the similar Slaty Antwren, which is found at higher elevations. Usually encountered with mixed-species understory flocks, often with other species of antwren. Song is a series of three to five drawn out “swee” notes.
分类信息
- 学名
- Myrmotherula sunensis
- 命名信息
- Chapman, 1925
- 目
- Passeriformes
- 科
- Thamnophilidae
- 属
- Myrmotherula
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
Damara Tern
Sternula balaenarum
A very small, short-tailed tern of coastal waters. It often flies slowly on rapidly-beating wings with its head angled downwards, before hovering and plunge-diving to catch small fish. When breeding, it has a complete black skull cap and bill; when not breeding the front of the forehead turns white. It breeds on barren gravel plains and dunes but is most frequently encountered foraging over estuaries, lagoons, and near shore. Its strident “tsit-tsit” call is higher-pitched than those of other terns. In non-breeding plumage, the very similar Little Tern has contrasting paler rump and tail, while Damara Tern’s back, rump, and tail are all the same shade of pale gray.
Northern White-faced Owl
Ptilopsis leucotis
A relatively small owl, though larger than most scops-owls. Mostly pale gray, with a white face set off by black borders and yellow-orange eyes. Found in dry savanna habitats, where it often spends the day roosting on surprisingly open perches. Very similar to Southern White-faced Owl and best separated by call, but there is little or no overlap in range. The call is a quiet, two-parted “huu-hoooo.”
Red-crowned Woodpecker
Melanerpes rubricapillus
Medium-sized woodpecker found from Costa Rica to northern South America. Pale buffy overall with a red nape and belly and black-and-white barring on the back. Female has a pale crown with restricted red on the back of the nape; male has red extending to top of crown. Common in open woodlands, second growth, and gardens. Distinctive in range, but hybridizes extensively with Hoffmann’s Woodpecker on the Pacific slope in Costa Rica. Hybrids usually show orange nape and belly.
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