Short-tailed Swift vs African Palm Swift
Chaetura brachyura เปรียบเทียบกับ Cypsiurus parvus
Side-by-Side Comparison
| คุณสมบัติ | Short-tailed Swift | African Palm Swift |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Chaetura brachyura | Cypsiurus parvus |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Apodidae | Apodidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 23.7 cm (9.3 in) | 27.2 cm (10.7 in) |
| น้ำหนัก | 18.625 g (0.66 oz) | 14.38 g (0.51 oz) |
| อาหาร | Feeds exclusively on aerial plankton — tiny flies, aphids, and spiders — captured in continuous … | Exclusively aerial diet; consumes tiny flying insects and spiders, sometimes following insect swarms for km. |
| จำนวนไข่ | 2-7 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
Short-tailed Swift only
ไม่มี
African Palm Swift only
Song & Call Comparison
Short-tailed Swift
Harsh, screaming chatter with emphatic delivery; loud coarse notes erupting suddenly during competitive aerial encounters.
African Palm Swift
Deep, hollow churring trill with resonant bass quality; prolonged vibrating call audible at significant range in open woodland.
Geographic Range & Migration
Short-tailed Swift
Found across South America east of the Andes, from Trinidad and the Guianas south to Bolivia and the Río de la Plata. Lowland forest.
African Palm Swift
Found across sub-Saharan Africa from Senegal east to Somalia and south to South Africa. Common in open areas near palms; nests in palm leaves.
สถานะการอนุรักษ์
Short-tailed Swift
African Palm Swift
How to Tell Them Apart
Short-tailed Swift
Small; dark sooty-brown upperparts; very pale whitish rump and tail contrasting sharply with dark body; underparts pale greyish; extremely short tail giving distinctive blunt-ended flight silhouette; widespread Trinidad to Argentina.
African Palm Swift
Slender and long-tailed; uniformly pale greyish-brown overall; underparts paler grey-buff; long deeply forked tail; pale uniform appearance with no contrasting markings; widespread African palm-nesting swift with distinctive slender silhouette.
About These Birds
Short-tailed Swift
A small swift (10-11 cm) found in lowland forests from Panama to southern Brazil and Trinidad. Dark plumage with a noticeably short, square tail with spine tips. Aerial insectivore, foraging over forest canopy and clearings. The smallest member of the genus Chaetura.
African Palm Swift
A slender swift (15-17 cm) with long, narrow wings and a deeply forked tail. Dark brown plumage. Found across sub-Saharan Africa in savanna and open woodland, closely associated with palm trees. Aerial insectivore. One of Africa's most abundant swift species.