Great Swallow-tailed Swift vs Black Spinetail
Panyptila sanctihieronymi verglichen mit Telacanthura melanopygia
Side-by-Side Comparison
| Merkmal | Great Swallow-tailed Swift | Black Spinetail |
|---|---|---|
| Wissenschaftlicher Name | Panyptila sanctihieronymi | Telacanthura melanopygia |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Apodidae | Apodidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | — |
| Flügelspannweite | 36,8 cm (14.5 in) | 32,4 cm (12.8 in) |
| Gewicht | 48,416666666666664 g (1.71 oz) | 52,0 g (1.83 oz) |
| Ernährung | Catches aerial plankton — tiny midges, gnats, and ballooning spiders — continuously during soaring flight. | High-speed aerial insectivore catching small flying insects and aerial spiders during fast sustained flight. |
| Gelegegröße | 2-3 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Great Swallow-tailed Swift
Soft, rippling trill with liquid overtones; easy flowing sequence of mellow notes carrying pleasantly across open sky.
Black Spinetail
Deep, resonant chattering with gravelly undertones; series of rough churring notes interspersed with sharp screaming calls.
Geographic Range & Migration
Great Swallow-tailed Swift
Found from southern Mexico through Guatemala, Honduras, to Costa Rica. Resident in humid highland forest at 600–2,000 m elevation.
Black Spinetail
Found in West and Central Africa from Nigeria and Cameroon east to Uganda. Resident in lowland rainforest and forest edge.
Erhaltungsstatus
Great Swallow-tailed Swift
Black Spinetail
How to Tell Them Apart
Great Swallow-tailed Swift
Black upperparts with white throat and white flanks; bold white rump patch; extremely long deeply forked tail with white outer feather edges; Central American species with the most spectacular forked …
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
Great Swallow-tailed Swift
A large swift (18-20 cm) with an extremely long, deeply forked tail. Dark plumage with a white throat and collar. Found in highland forests from southern Mexico to Honduras. Aerial insectivore, foraging over mountain canyons and pine-oak forests. Uncommon and rarely observed.
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.