Amethyst-throated Mountain-gem vs Broad-tailed Hummingbird
Lampornis amethystinus 比較対象 Selasphorus platycercus
Side-by-Side Comparison
| 属性 | Amethyst-throated Mountain-gem | Broad-tailed Hummingbird |
|---|---|---|
| 学名 | Lampornis amethystinus | Selasphorus platycercus |
| 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) | 9.8 cm (3.9 in) |
| 体重 | 5.6000000000000005 g (0.20 oz) | 3.4875000000000003 g (0.12 oz) |
| 食性 | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. | Nectarivore of high-altitude meadows, visiting paintbrush and Penstemon. Captures insects and spiders to supplement nectar … |
| 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.
Broad-tailed Hummingbird
Rapid, buzzy chips in excited sequence; rough staccato notes tumbling quickly with energetic quality near flowers.
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.
Broad-tailed Hummingbird
Found in mountain meadows of western North America from Idaho to Guatemala at 1,500-3,500 m. Breeds in highlands; winters south.
保全状況
Amethyst-throated Mountain-gem
Broad-tailed Hummingbird
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
Broad-tailed Hummingbird
Copper-rumped Hummingbird: males with iridescent copper rump; metallic green above; glittering violet gorget; females green; 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.
Broad-tailed Hummingbird
A medium-sized hummingbird (10 cm) found in mountain meadows of the western US from Idaho to Guatemala at 1,500-3,500 m. Males produce a distinctive metallic trilling sound with their tail feathers during display dives. Rose-magenta gorget. Nectarivore of mountain wildflowers.