Edible-nest Swiftlet vs Pallid Swift
Aerodramus fuciphagus เปรียบเทียบกับ Apus pallidus
Side-by-Side Comparison
| คุณสมบัติ | Edible-nest Swiftlet | Pallid Swift |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Aerodramus fuciphagus | Apus pallidus |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Apodidae | Apodidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 22.6 cm (8.9 in) | 33.4 cm (13.1 in) |
| น้ำหนัก | 13.040000000000001 g (0.46 oz) | 42.25 g (1.49 oz) |
| อาหาร | Obligate aerial insectivore; catches minute flies, beetles, and aerial spiders while foraging near cave roosts. | Aerial insectivore foraging continuously in flight, taking tiny flies, beetles, and ballooning spiders. |
| จำนวนไข่ | 1-2 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Edible-nest Swiftlet
Rapid twittering; 'chip-chip-chip' over Southeast Asian coast; strong echolocation clicks distinctive in cave roosts; colonial nester; calls produce audible clicking chorus in caves
Pallid Swift
Melodic, rolling trill with rich timbre; sustained musical phrase with slight variations on repeated delivery at dusk.
Geographic Range & Migration
Edible-nest Swiftlet
Found from the Andaman Islands east through Southeast Asia to Borneo and the Philippines. Produces edible nests used in bird's nest soup.
Pallid Swift
Breeds in the Mediterranean and North Africa east to Pakistan. Migratory; winters in sub-Saharan Africa from Senegal to Ethiopia.
สถานะการอนุรักษ์
Edible-nest Swiftlet
Pallid Swift
How to Tell Them Apart
Edible-nest Swiftlet
Small; dark grey-brown upperparts; pale buff-grey rump band; underparts pale whitish-grey; forked tail; Southeast Asian species prized for white saliva nests used in bird's nest soup; plumage unremarkable but economically …
Pallid Swift
Medium-large; pale brownish-grey overall, distinctly paler than Common Swift; larger pale throat patch; wing coverts show pale scaly edges; Mediterranean and Middle Eastern species; pale sandy-brown tone separates it from …
About These Birds
Edible-nest Swiftlet
A medium-sized swiftlet (12-13 cm) found from the Andaman and Nicobar Islands through Southeast Asia to Indonesia and the Philippines. Dark plumage. Famous for building nests almost entirely of solidified saliva, the primary ingredient in bird's nest soup, a luxury food item in East Asia.
Pallid Swift
A medium-sized swift (16-17 cm) similar to Common Swift but paler, sandy-brown overall with a larger white throat patch. Found across southern Europe, North Africa, and the Middle East. Aerial insectivore. Long-distance migrant wintering in sub-Saharan Africa and South Asia.