Black-bellied Thorntail vs Lyre-tailed Hummingbird
Discosura langsdorffi 比較対象 Nesophlox lyrura
Side-by-Side Comparison
| 属性 | Black-bellied Thorntail | Lyre-tailed Hummingbird |
|---|---|---|
| 学名 | Discosura langsdorffi | Nesophlox lyrura |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 7.0 cm (2.8 in) | 8.0 cm (3.1 in) |
| 体重 | 3.2 g (0.11 oz) | 2.425 g (0.09 oz) |
| 食性 | Nectarivore visiting diverse canopy flowers in humid Amazonian forest. Takes small arthropods in aerial hover-gleaning. | Nectarivore probing tubular flowers in humid forest. Supplements nectar diet with small insects and spiders … |
| 一腹卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Black-bellied Thorntail
Deep, hollow churring with resonant character; prolonged low buzzing sound vibrating persistently through dense foliage.
Lyre-tailed Hummingbird
Sharp, emphatic chip note with metallic quality; single clean staccato sound repeated at measured intervals.
Geographic Range & Migration
Black-bellied Thorntail
Found in lowland Amazonian forest from southeastern Colombia south through Ecuador and Peru to Bolivia. 100–600 m.
Lyre-tailed Hummingbird
Endemic to Jamaica. Resident in forests and gardens across the island from lowlands to highlands.
保全状況
Black-bellied Thorntail
Lyre-tailed 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
Lyre-tailed Hummingbird
Mexican Woodnymph: males with glittering violet gorget; metallic green above; white flanks; females green above; spotted white below
About These Birds
Black-bellied Thorntail
A tiny hummingbird (7-8 cm plus extended tail feathers) found in lowland forests from eastern Colombia through Amazonia to Bolivia and Brazil. Males have dark belly and long, wire-like outer tail feathers with racket tips. Nectarivore of forest canopy and edges.
Lyre-tailed Hummingbird
A small hummingbird (10-11 cm) endemic to Jamaica. Males have a deeply forked, lyre-shaped tail. Green plumage. Nectarivore of forest and garden flowers. Recently split from Bahama Woodstar. A Jamaican near-endemic.