Amethyst-throated Mountain-gem vs Mountain Avocetbill
Lampornis amethystinus 比較対象 Opisthoprora euryptera
Side-by-Side Comparison
| 属性 | Amethyst-throated Mountain-gem | Mountain Avocetbill |
|---|---|---|
| 学名 | Lampornis amethystinus | Opisthoprora euryptera |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 13.1 cm (5.2 in) | 12.6 cm (5.0 in) |
| 体重 | 5.6000000000000005 g (0.20 oz) | 6.4 g (0.23 oz) |
| 食性 | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. | Nectarivore of high montane forest; upturned bill tip accesses pendant epiphyte flowers. Gleans small insects … |
| 一腹卵数 | 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.
Mountain Avocetbill
Thin, high-pitched twittering; delicate cascade of light notes with silvery quality delivered during aerial foraging.
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.
Mountain Avocetbill
Found on both Andean slopes in Colombia and Ecuador in cloud forest at 2,000–3,200 m elevation. Uncommon.
保全状況
Amethyst-throated Mountain-gem
Mountain Avocetbill
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
Mountain Avocetbill
Cozumel Emerald: tiny; males with glittering magenta gorget; metallic green above; white underparts; females green above; spots
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.
Mountain Avocetbill
A small hummingbird (10-11 cm) with a distinctive upturned bill tip, unique among hummingbirds. Green plumage. Found in Andean cloud forests from Colombia to Bolivia at 2,400-3,500 m. Nectarivore specializing in pendant flowers. The only member of its genus.