Bornean Swiftlet vs Black Spinetail
Collocalia dodgei verglichen mit Telacanthura melanopygia
Side-by-Side Comparison
| Merkmal | Bornean Swiftlet | Black Spinetail |
|---|---|---|
| Wissenschaftlicher Name | Collocalia dodgei | Telacanthura melanopygia |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Apodidae | Apodidae |
| Erhaltungsstatus | Not Evaluated | Least Concern |
| Länge | — | — |
| Flügelspannweite | — | 32,4 cm (12.8 in) |
| Gewicht | 6,1 g (0.22 oz) | 52,0 g (1.83 oz) |
| Ernährung | Small aerial insectivore feeding on minute flying insects and spiders; forages over forest canopy and … | High-speed aerial insectivore catching small flying insects and aerial spiders during fast sustained flight. |
| Gelegegröße | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Bornean Swiftlet
High thin twittering; soft 'tsit' notes over Borneo mountains; echolocation in cave roosts; tiny highland swiftlet; call weakly audible; soft rapid chittering in flight
Black Spinetail
Deep, resonant chattering with gravelly undertones; series of rough churring notes interspersed with sharp screaming calls.
Geographic Range & Migration
Bornean Swiftlet
Endemic to Borneo in lowland dipterocarp forest and hill forest. Closely related to Glossy Swiftlet; range barely extends to Palawan.
Black Spinetail
Found in West and Central Africa from Nigeria and Cameroon east to Uganda. Resident in lowland rainforest and forest edge.
Erhaltungsstatus
Bornean Swiftlet
Black Spinetail
How to Tell Them Apart
Bornean Swiftlet
Tiny; dark glossy blue-green upperparts; pale whitish rump band; dark sooty-grey underparts; forked tail; Borneo endemic restricted to montane zones; similar to Glossy Swiftlet but less white below and confined …
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
Bornean Swiftlet
A small swiftlet (9-10 cm) endemic to montane forests of northern Borneo at 900-3,400 m elevation. Dark glossy plumage. Aerial insectivore. Colonial cave nester. Restricted to high-altitude caves on Mount Kinabalu and neighboring peaks. Limited ecological data.
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.