Dark-rumped Swift vs African Swift
Apus acuticauda в сравнении с Apus barbatus
Side-by-Side Comparison
| Характеристика | Dark-rumped Swift | African Swift |
|---|---|---|
| Научное название | Apus acuticauda | Apus barbatus |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Apodidae | Apodidae |
| Охранный статус | Near Threatened | Least Concern |
| Длина | — | — |
| Размах крыльев | 34,8 cm (13.7 in) | 34,2 cm (13.5 in) |
| Масса | 37,43 g (1.32 oz) | 42,666666666666664 g (1.51 oz) |
| Питание | Aerial insectivore feeding on swarms of small flies, winged ants, and tiny beetles during sustained … | Completely aerial diet of small flying insects and spiders; never forages on the ground or … |
| Размер кладки | 2-4 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Dark-rumped Swift
Thin, high twittering with silvery sheen; rapid sequence of light notes with gentle tremolo quality at dawn and dusk.
African Swift
Sharp, piercing screech followed by rapid chatter; intense series of notes escalating in speed and volume before fading.
Geographic Range & Migration
Dark-rumped Swift
Found in northeastern India (Assam) and adjacent Myanmar. Rare and poorly known; found in forested hills and river valleys at moderate elevation.
African Swift
Found across sub-Saharan Africa from Senegal east to Ethiopia and south to South Africa. One of Africa's most common swift species.
Охранный статус
Dark-rumped Swift
African Swift
How to Tell Them Apart
Dark-rumped Swift
Dark sooty-brown throughout with dark rump concolorous with back; no contrasting white rump patch; pale white throat; underparts dark brown; Himalayan endemic cliff-nester; dark rump contrasting with white-rumped relatives is …
African Swift
Dark sooty-brown throughout; pale throat patch whitish-grey; underparts slightly paler; broadly similar to Common Swift but slightly larger and marginally paler below; widespread Sub-Saharan African species.
About These Birds
Dark-rumped Swift
A medium-sized swift (17-18 cm) found in hill and montane regions of South and Southeast Asia, from the Himalayas to Indochina. Dark plumage with a contrasting dark rump. Aerial insectivore. Breeds on cliffs. Classified as Vulnerable due to limited breeding sites and habitat disturbance.
African Swift
A medium-sized swift (16-17 cm) found across sub-Saharan Africa. Dark sooty-brown plumage, darker than Pallid Swift. Aerial insectivore, foraging high over varied habitats from forests to savannas. Breeds on cliffs and buildings. Resident or partial migrant within Africa.