Tepui Swift vs White-collared Swift
Streptoprocne phelpsi so với Streptoprocne zonaris
Side-by-Side Comparison
| Thuộc Tính | Tepui Swift | White-collared Swift |
|---|---|---|
| Tên Khoa Học | Streptoprocne phelpsi | Streptoprocne zonaris |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Apodidae | Apodidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 25,0 cm (9.8 in) | 42,5 cm (16.7 in) |
| Khối Lượng | 22,240000000000002 g (0.78 oz) | 106,45 g (3.75 oz) |
| Chế Độ Ăn | Aerial insectivore taking small flying insects and spiders; may forage at great heights following thermal … | Obligate aerial insectivore; gathers small flying insects, winged ants, and airborne spiders during flight. |
| Số Trứng | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Tepui Swift
Sharp, rapid twittering; thin screaming 'scree-scree'; calls over tepui summits in Venezuela; higher-pitched than White-collared Swift; small size reflected in thin notes
White-collared Swift
Loud, screaming 'shreee-shreee'; powerful screeching trill; calls from large flocks over mountains; very audible; one of the loudest Neotropical swifts; alarm a harsh rattle
Geographic Range & Migration
Tepui Swift
Found in the tepui highlands of southern Venezuela and adjacent Guyana and Brazil above 1,000 m. Resident in Guiana Shield rocky outcrops.
White-collared Swift
Found from Mexico south through Central America to South America east of the Andes, reaching Bolivia and southern Brazil. Often in large flocks.
Tình Trạng Bảo Tồn
Tepui Swift
White-collared Swift
How to Tell Them Apart
Tepui Swift
Dark blackish-brown overall with no white collar; slightly paler brownish-grey chin; small and compact; confined to Venezuelan tepuis; lacks the diagnostic white or chestnut collar found in most Streptoprocne swifts.
White-collared Swift
Large; glossy blue-black plumage with bold broad white collar encircling entire neck; collar clean and complete; underparts black; large slightly forked tail; among the most recognisable Neotropical swifts due to …
About These Birds
Tepui Swift
A medium-sized swift (15-16 cm) endemic to the tepui highlands of southern Venezuela and adjacent Guyana. Dark plumage. Aerial insectivore, foraging over tepui cliffs and forested valleys. Named after William Phelps. One of the least known Neotropical swifts.
White-collared Swift
A very large swift (20-22 cm, wingspan 45-55 cm) with a bold white collar band, the largest New World swift. Found from Mexico to southern Brazil and the Caribbean. Aerial insectivore, foraging in large, noisy flocks over forests and cities. Nests behind waterfalls and in caves.