Amethyst-throated Mountain-gem vs Pale-tailed Barbthroat
Lampornis amethystinus 对比 Threnetes leucurus
Side-by-Side Comparison
| 属性 | Amethyst-throated Mountain-gem | Pale-tailed Barbthroat |
|---|---|---|
| 学名 | Lampornis amethystinus | Threnetes leucurus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 13.1 cm (5.2 in) | 11.5 cm (4.5 in) |
| 体重 | 5.6000000000000005 g (0.20 oz) | 5.42 g (0.19 oz) |
| 食性 | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. | Primarily nectarivore; uses its strongly hooked bill to probe for nectar in curved flowers; eats … |
| 产卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Pale-tailed Barbthroat
Rapid, buzzing trill with insect-like quality; sustained high-frequency vibration followed by softer descending notes.
Geographic Range & Migration
Amethyst-throated Mountain-gem
Found in montane forest from Mexico south through Guatemala and Honduras to El Salvador. 1,000–3,200 m.
Pale-tailed Barbthroat
Found in the Amazon basin and Guiana Shield from Venezuela and the Guianas south to Peru and Bolivia. Resident in humid forest interior.
保护状况
Amethyst-throated Mountain-gem
Pale-tailed Barbthroat
How to Tell Them Apart
Amethyst-throated Mountain-gem
Bumblebee Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted
Pale-tailed Barbthroat
Bronze-green upperparts; pale greyish-buff underparts; dark malar stripe; tail pale buff-white with dark subterminal band; lacks the strong black banding of Band-tailed Barbthroat; Amazonian species with paler tail pattern.
About These Birds
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.
Pale-tailed Barbthroat
A medium-sized hummingbird (10-12 cm) found in humid lowland forests of northern South America and Trinidad. Green plumage with white-tipped tail feathers and a decurved bill. Nectarivore of forest undergrowth, visiting Heliconia and Costus flowers. An important lowland forest pollinator.