White-chested Swift vs Philippine Spinetail
Cypseloides lemosi مقارنةً بـ Mearnsia picina
Side-by-Side Comparison
| السمة | White-chested Swift | Philippine Spinetail |
|---|---|---|
| الاسم العلمي | Cypseloides lemosi | Mearnsia picina |
| الرتبة | Caprimulgiformes | Caprimulgiformes |
| الفصيلة | Apodidae | Apodidae |
| حالة الحفاظ | Least Concern | Near Threatened |
| الطول | — | — |
| طول الجناح | 30,0 cm (11.8 in) | 32,3 cm (12.7 in) |
| الوزن | 28,400000000000002 g (1.00 oz) | 11,5 g (0.41 oz) |
| النظام الغذائي | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. | Aerial diet of small flying insects and spiders; forages at speed over forest and open … |
| عدد البيض في الوضع | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White-chested Swift
High, thin twittering; soft 'tsit' calls in flight; calls over Colombian waterfalls; very poorly known; thin, reedy contact notes; one of most rarely documented swifts
Philippine Spinetail
High-pitched, buzzy twittering; sharp 'tsit-tsit' in fast low-level flight over Philippine forest; calls rapidly in tight flocks; distinctive wing sound in fast aerial display
Geographic Range & Migration
White-chested Swift
Known from Colombia and adjacent Ecuador. One of the world's rarest swifts; recorded at waterfalls in humid forest foothills at 500–1,200 m.
Philippine Spinetail
Endemic to the Philippines, found on Mindanao and adjacent southern islands. Resident in lowland and hill forest and edge. Uncommon.
حالة الحفاظ
White-chested Swift
Philippine Spinetail
How to Tell Them Apart
White-chested Swift
Black upperparts and wings; distinctive large white chest patch contrasting sharply with black throat and belly; white confined to central breast; Colombian endemic with unique bold bicoloured plumage unlike any …
Philippine Spinetail
Tiny but long-winged; dark blackish-brown overall; pale grey-white throat and chin; short spiny tail projections visible at close range; Philippine endemic; small size contrasts with proportionally very long scythe-like wings.
About These Birds
White-chested Swift
A medium-sized swift (14-15 cm) endemic to the upper Cauca Valley of Colombia. Sooty-black plumage with a white breast patch. Aerial insectivore of subtropical forests. Classified as Endangered due to extremely restricted range and ongoing habitat loss.
Philippine Spinetail
A large spinetail swift (12-13 cm) endemic to the Philippines. Dark plumage with short, spine-tipped tail feathers. Aerial insectivore, foraging over lowland and montane forest. Colonial nester in tree hollows and cliff crevices. Uncommon and poorly studied.