Whitehead's Swiftlet vs Black Spinetail
Aerodramus whiteheadi 对比 Telacanthura melanopygia
Side-by-Side Comparison
| 属性 | Whitehead's Swiftlet | Black Spinetail |
|---|---|---|
| 学名 | Aerodramus whiteheadi | Telacanthura melanopygia |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Data Deficient | Least Concern |
| 体长 | — | — |
| 翼展 | 27.2 cm (10.7 in) | 32.4 cm (12.8 in) |
| 体重 | 14.0 g (0.49 oz) | 52.0 g (1.83 oz) |
| 食性 | Aerial plankton feeder taking tiny midges, fungus gnats, and ballooning spiders in rapid coursing flights. | High-speed aerial insectivore catching small flying insects and aerial spiders during fast sustained flight. |
| 产卵数 | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Whitehead's Swiftlet
Thin twittering; 'chip-chip' calls over Borneo highlands; echolocation clicks in cave roosts; data deficient; calls poorly documented from remote Bornean montane habitat
Black Spinetail
Deep, resonant chattering with gravelly undertones; series of rough churring notes interspersed with sharp screaming calls.
Geographic Range & Migration
Whitehead's Swiftlet
Endemic to the highlands of Borneo at 800–3,000 m. Resident in montane forest on Mount Kinabalu and the Crocker Range.
Black Spinetail
Found in West and Central Africa from Nigeria and Cameroon east to Uganda. Resident in lowland rainforest and forest edge.
保护状况
Whitehead's Swiftlet
Black Spinetail
How to Tell Them Apart
Whitehead's Swiftlet
Small; dark brownish-grey upperparts; pale buff-grey rump band; underparts pale grey-white; forked tail; Philippine endemic from Luzon; data-deficient species differing from Philippine Swiftlet mainly in habitat preference and island range.
Black Spinetail
Large; entirely black plumage with slight gloss; black rump unlike white-rumped congeners; underparts dark; spiny tail; West African forest species; all-black coloration with no contrasting markings distinguishes it from all …
About These Birds
Whitehead's Swiftlet
一种小型金丝燕（体长11-12厘米），特产于菲律宾吕宋岛北部山区。体羽深色，腰部浅色。属雨燕科（Apodidae），是菲律宾山地的特有种。
Black Spinetail
A medium-sized spinetail swift (14-15 cm) of lowland rainforests in West and Central Africa. All-dark plumage. Spine-tipped tail for bracing against tree trunks. Aerial insectivore, foraging above the forest canopy. Nests inside hollow trees. Uncommon and seldom observed.