South African Swallow

Petrochelidon spilodera

A chunky, martin-like dark blue and reddish-brown cliff swallow with a rusty rump and undertail and a smudgy dark collar that may be incomplete. Colonies of 10-1000 pairs nest under bridges, in culverts, in quarries, and occasionally on cliffs, often near water. After breeding in South Africa, Namibia, and Zimbabwe between September and April, the species migrates to the southern Congo basin for the austral winter. It forages over grassland, lightly wooded savanna, and arid shrubland for insects. The similar Red-throated Swallow is smaller and more slender than the South African Swallow, with white tail spots, a uniform rufous throat, and a breast that lacks dark mottling.

分类信息

学名
Petrochelidon spilodera
命名信息
(Sundevall, 1850)
Passeriformes
Hirundinidae
Petrochelidon

分布与栖息地

繁殖区
AF : Namibia; Zimbabwe; se Botswana to South Africa
非繁殖区
to s Congo and c DR Congo
迁徙
Complete migrants

保护状况

种群趋势
rising

照片

分布

鸟叫声

其他鸟类

Singing Parrot

Singing Parrot

Geoffroyus heteroclitus

A mostly green medium-sized parrot with a contrasting head, gray in females and yellow in males. Shows a blue underwing in flight. Inhabits lowland forest edge, including coconut plantations, parks, and gardens, up to at least 1750 meters of elevation. Bulkier than Cardinal, White-naped, Yellow-bibbed, and Purple-bellied Lories, with slower wingbeats, and lacks the mostly red color of those species. The similar Eclectus Parrot is larger with a bigger bill, and male is also green but has a red underwing. Singing Parrot’s voice includes a wide variety of harsh cries and a whistling bell-like song.

Allen's Hummingbird

Allen's Hummingbird

Selasphorus sasin

Extremely similar to widespread Rufous Hummingbird; identical in plumage except for males' solid green back (which can be shown by Rufous too). Breeds only along a narrow strip of coastal California and southern Oregon. On females and immature males, the only way to separate them from Rufous is by the shape of the tail feathers, which is extremely difficult to determine without good photographs.

Olive-backed Foliage-gleaner

Olive-backed Foliage-gleaner

Automolus infuscatus

Dark brown foliage-gleaner of mature rainforest understory. Warm dark brown body, with a clean whitish throat patch and reddish brown tail. Does not have prominent reddish brown in the wings like many other foliage-gleaners do; the clean whitish throat, plain face (without a strong eyebrow) and habit of foraging low are other good distinguishing features to tell it apart from other foliage-gleaners. Primarily found in the understory of mature rainforest. Listen for its song, a musical trill with stuttered introductory note, “ch-trrrrrrrr”, similar to that of Chestnut-crowned Foliage-gleaner from denser secondary growth habitats, but slightly lower and with a more distinct introductory note.

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