Red-billed Emerald vs Amethyst-throated Mountain-gem
Chlorostilbon gibsoni so với Lampornis amethystinus
Side-by-Side Comparison
| Thuộc Tính | Red-billed Emerald | Amethyst-throated Mountain-gem |
|---|---|---|
| Tên Khoa Học | Chlorostilbon gibsoni | Lampornis amethystinus |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 9,9 cm (3.9 in) | 13,1 cm (5.2 in) |
| Khối Lượng | 3,4 g (0.12 oz) | 5,6000000000000005 g (0.20 oz) |
| Chế Độ Ăn | Feeds on floral nectar in lowland Venezuelan scrub and forest. Gleans insects and spiders to … | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Không
Red-billed Emerald only
Không
Amethyst-throated Mountain-gem only
Song & Call Comparison
Red-billed Emerald
Harsh, buzzy chatter with urgency; rough staccato notes escalating quickly during competitive flower territory dispute.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Red-billed Emerald
Found in dry valleys and scrub of Colombia and Venezuela. Resident in arid and semi-arid habitats at low elevations.
Amethyst-throated Mountain-gem
Found in montane forest from Mexico south through Guatemala and Honduras to El Salvador. 1,000–3,200 m.
Tình Trạng Bảo Tồn
Red-billed Emerald
Amethyst-throated Mountain-gem
How to Tell Them Apart
Red-billed Emerald
Versicolored Emerald: males with glittering multicolored gorget; metallic green above; white underparts; females green above; 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
Red-billed Emerald
A small hummingbird (8-9 cm) found in dry valleys and scrub of Colombia and Venezuela. Bright green plumage with a red bill with dark tip. Nectarivore of arid and semi-arid habitats. Named after the naturalist William Gibson.
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.