Coppery Thorntail vs Amethyst-throated Mountain-gem
Discosura letitiae 比較対象 Lampornis amethystinus
Side-by-Side Comparison
| 属性 | Coppery Thorntail | Amethyst-throated Mountain-gem |
|---|---|---|
| 学名 | Discosura letitiae | Lampornis amethystinus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Data Deficient | Least Concern |
| 体長 | — | — |
| 翼開長 | 7.5 cm (3.0 in) | 13.1 cm (5.2 in) |
| 体重 | 2.8 g (0.10 oz) | 5.6000000000000005 g (0.20 oz) |
| 食性 | Nectarivore with elongated tail foraging at high canopy blooms. Catches small insects near flowering trees. | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. |
| 一腹卵数 | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Coppery Thorntail
Soft, high peep followed by short buzzy trill; quiet introductory note launching into brief rough continuation.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Coppery Thorntail
Known only from Bolivia; restricted range in humid lowland forest of the Beni region. 150–500 m elevation.
Amethyst-throated Mountain-gem
Found in montane forest from Mexico south through Guatemala and Honduras to El Salvador. 1,000–3,200 m.
保全状況
Coppery Thorntail
Amethyst-throated Mountain-gem
How to Tell Them Apart
Coppery Thorntail
Rufous Puffleg: males shining bronze-green; iridescent teal gorget; white underparts; large rufous leg puffs; females duller with spots
Amethyst-throated Mountain-gem
Bumblebee Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted
About These Birds
Coppery Thorntail
A tiny hummingbird (7-8 cm) known from very few specimens collected in Bolivia. Coppery plumage. Almost nothing known about its ecology or current status. One of the most mysterious hummingbirds; possibly rare, possibly overlooked. Further fieldwork needed.
Amethyst-throated Mountain-gem
A medium-sized hummingbird (11-12 cm) found in mountain forests from Mexico to Honduras at 1,000-3,000 m. Males have an amethyst-purple throat. Nectarivore of pine-oak and cloud forest. Commonly visits feeders in Mexican highland gardens.