Black-bellied Thorntail vs Ruby-throated Hummingbird
Discosura langsdorffi 비교 대상 Archilochus colubris
Side-by-Side Comparison
| 속성 | Black-bellied Thorntail | Ruby-throated Hummingbird |
|---|---|---|
| 학명 | Discosura langsdorffi | Archilochus colubris |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | 8.5 cm (3.3 in) |
| 날개 폭 | 7.0 cm (2.8 in) | 11.0 cm (4.3 in) |
| 체중 | 3.2 g (0.11 oz) | 3.1 g (0.11 oz) |
| 식성 | Nectarivore visiting diverse canopy flowers in humid Amazonian forest. Takes small arthropods in aerial hover-gleaning. | Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over … |
| 산란 수 | 2 | 2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Ruby-throated Hummingbird
Deciduous and mixed forests, woodland edges, gardens, and parks with flowering plants. Migrates across the Gulf of Mexico.
Song & Call Comparison
Black-bellied Thorntail
Deep, hollow churring with resonant character; prolonged low buzzing sound vibrating persistently through dense foliage.
Ruby-throated Hummingbird
Soft, high-pitched chattering and twittering 'chee-dit'. Also produces a thin 'tik' call in flight. Wing beats create an audible high-pitched humming buzz during hovering.
Geographic Range & Migration
Black-bellied Thorntail
Found in lowland Amazonian forest from southeastern Colombia south through Ecuador and Peru to Bolivia. 100–600 m.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
보전 상태
Black-bellied Thorntail
Ruby-throated Hummingbird
How to Tell Them Apart
Black-bellied Thorntail
Red-tailed Comet: males with glittering green gorget; brilliant coppery-bronze crown; metallic green back; reddish tail; females duller
Ruby-throated Hummingbird
Metallic green upperparts and greyish-white underparts. Males have a brilliant iridescent ruby-red gorget that appears black in poor light. Females lack the gorget.
Long, straight, thin black bill adapted for probing flowers
About These Birds
Black-bellied Thorntail
수컷은 어두운 배와 라켓 끝이 있는 길고 전선 같은 외부 꼬리 깃털을 가진 7–8cm(그외 꼬리 깃털 포함) 소형 벌새로 콜롬비아 동부에서 아마존을 거쳐 볼리비아·브라질까지 저지림에 서식한다. 삼림 수관부와 가장자리에서 꿀을 먹는다.
Ruby-throated Hummingbird
The ruby-throated hummingbird is the only breeding hummingbird in eastern North America. These tiny birds beat their wings about 53 times per second and can fly backwards, sideways, and even briefly upside down. They make an extraordinary non-stop 800 km crossing of the Gulf of Mexico during migration.