Pallid Swift vs Lesser Antillean Swift
Apus pallidus 对比 Chaetura martinica
Side-by-Side Comparison
| 属性 | Pallid Swift | Lesser Antillean Swift |
|---|---|---|
| 学名 | Apus pallidus | Chaetura martinica |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 33.4 cm (13.1 in) | 21.6 cm (8.5 in) |
| 体重 | 42.25 g (1.49 oz) | 12.6 g (0.44 oz) |
| 食性 | Aerial insectivore foraging continuously in flight, taking tiny flies, beetles, and ballooning spiders. | Aerial insectivore taking small flying insects and spiders; may forage at great heights following thermal … |
| 产卵数 | 1-4 | 3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Pallid Swift
Melodic, rolling trill with rich timbre; sustained musical phrase with slight variations on repeated delivery at dusk.
Lesser Antillean Swift
Sharp, high-pitched squeaking in rapid succession; excited twittering with melodic inflection rising near breeding colony.
Geographic Range & Migration
Pallid Swift
Breeds in the Mediterranean and North Africa east to Pakistan. Migratory; winters in sub-Saharan Africa from Senegal to Ethiopia.
Lesser Antillean Swift
Found in the Lesser Antilles from Guadeloupe and Dominica south to St. Vincent and Grenada. Resident in forest and open areas.
保护状况
Pallid Swift
Lesser Antillean Swift
How to Tell Them Apart
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 …
Lesser Antillean Swift
Small; dark sooty-brown overall; pale grey-brown rump slightly paler than back; underparts grey-brown; short spiny tail; Lesser Antilles endemic; very similar to Chapman's Swift but smaller and island-restricted with subtly …
About These Birds
Pallid Swift
淡色雨燕在地中海沿岸和北非繁殖，颜色比普通雨燕更淡。
Lesser Antillean Swift
小安的列斯雨燕 (Chaetura martinica)，体长约11厘米。体羽黑褐色，腰部略浅，喉部浅色，尾短。特有于加勒比海小安的列斯群岛，包括马提尼克和圣卢西亚等岛屿。以飞行昆虫为食。