Lesser Antillean Swift vs Black Spinetail
Chaetura martinica 비교 대상 Telacanthura melanopygia
Side-by-Side Comparison
| 속성 | Lesser Antillean Swift | Black Spinetail |
|---|---|---|
| 학명 | Chaetura martinica | Telacanthura melanopygia |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 21.6 cm (8.5 in) | 32.4 cm (12.8 in) |
| 체중 | 12.6 g (0.44 oz) | 52.0 g (1.83 oz) |
| 식성 | Aerial insectivore taking small flying insects and spiders; may forage at great heights following thermal … | High-speed aerial insectivore catching small flying insects and aerial spiders during fast sustained flight. |
| 산란 수 | 3 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Lesser Antillean Swift
Sharp, high-pitched squeaking in rapid succession; excited twittering with melodic inflection rising near breeding colony.
Black Spinetail
Deep, resonant chattering with gravelly undertones; series of rough churring notes interspersed with sharp screaming calls.
Geographic Range & Migration
Lesser Antillean Swift
Found in the Lesser Antilles from Guadeloupe and Dominica south to St. Vincent and Grenada. Resident in forest and open areas.
Black Spinetail
Found in West and Central Africa from Nigeria and Cameroon east to Uganda. Resident in lowland rainforest and forest edge.
보전 상태
Lesser Antillean Swift
Black Spinetail
How to Tell Them Apart
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 …
Black Spinetail
Large; entirely black plumage with slight gloss; black rump unlike white-rumped congeners; underparts dark; spiny tail; West African forest species; all-black coloration with no contrasting markings distinguishes it from all …
About These Birds
Lesser Antillean Swift
소앤틸리스 제도 고유종의 소형 칼새 (11 cm). 어두운 보라-갈색 깃털. 개방된 공중에서 곤충 섭취.
Black Spinetail
A medium-sized spinetail swift (14-15 cm) of lowland rainforests in West and Central Africa. All-dark plumage. Spine-tipped tail for bracing against tree trunks. Aerial insectivore, foraging above the forest canopy. Nests inside hollow trees. Uncommon and seldom observed.