White-fronted Swift vs White-collared Swift
Cypseloides storeri 对比 Streptoprocne zonaris
Side-by-Side Comparison
| 属性 | White-fronted Swift | White-collared Swift |
|---|---|---|
| 学名 | Cypseloides storeri | Streptoprocne zonaris |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Data Deficient | Least Concern |
| 体长 | — | — |
| 翼展 | 27.4 cm (10.8 in) | 42.5 cm (16.7 in) |
| 体重 | 39.25 g (1.38 oz) | 106.45 g (3.75 oz) |
| 食性 | Obligate aerial insectivore; takes small flies, beetles, and aerial spiders in swooping fast-flight passes. | Obligate aerial insectivore; gathers small flying insects, winged ants, and airborne spiders during flight. |
| 产卵数 | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White-fronted Swift
Poorly known vocalizations; thin twittering presumed; calls over Mexican montane waterfalls; high-pitched soft chip notes; very rarely documented; data-deficient species
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
White-fronted Swift
Endemic to western Mexico from Jalisco to Oaxaca. Resident in forested highlands near canyon streams at 1,000–2,500 m. Poorly known.
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.
保护状况
White-fronted Swift
White-collared Swift
How to Tell Them Apart
White-fronted Swift
Blackish-brown throughout with a prominent white frontal patch on forehead and lores; no other pale markings; slightly paler brownish below; poorly known Mexican endemic known from very few specimens.
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
White-fronted Swift
斯托勒雨燕栖息于墨西哥西部山地，是分布有限的稀有雨燕。
White-collared Swift
白领雨燕广泛分布于拉丁美洲山地，以白色颈环为特征的大型雨燕。