Horus Swift vs Black Spinetail
Apus horus в сравнении с Telacanthura melanopygia
Side-by-Side Comparison
| Характеристика | Horus Swift | Black Spinetail |
|---|---|---|
| Научное название | Apus horus | Telacanthura melanopygia |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Apodidae | Apodidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 30,0 cm (11.8 in) | 32,4 cm (12.8 in) |
| Масса | 27,5 g (0.97 oz) | 52,0 g (1.83 oz) |
| Питание | Feeds on aerial plankton of tiny insects and spiders; entire diet captured during non-stop aerial … | High-speed aerial insectivore catching small flying insects and aerial spiders during fast sustained flight. |
| Размер кладки | 1-4 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Horus Swift
Sharp, buzzy chip followed by short descending whistle; compact two-part call repeated persistently from elevated perch.
Black Spinetail
Deep, resonant chattering with gravelly undertones; series of rough churring notes interspersed with sharp screaming calls.
Geographic Range & Migration
Horus Swift
Found across sub-Saharan Africa from Senegal east to Ethiopia and south to South Africa. Resident in woodland and grassland near rivers.
Black Spinetail
Found in West and Central Africa from Nigeria and Cameroon east to Uganda. Resident in lowland rainforest and forest edge.
Охранный статус
Horus Swift
Black Spinetail
How to Tell Them Apart
Horus Swift
Dark sooty-brown; large white rump patch; white throat; pale flanks creating partial white underpart; square-ended tail; African species; compared to Little Swift, paler flanks give a more extensively white underpart …
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
Horus Swift
A small swift (12-13 cm) found in sub-Saharan Africa and parts of the Middle East. Dark plumage with a white rump and throat. Aerial insectivore. Colonial nester on cliffs and buildings. Often nests in old swallow nests. Named after the Egyptian god Horus.
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.