Short-tailed Emerald vs Amethyst-throated Mountain-gem
Chlorostilbon poortmani so với Lampornis amethystinus
Side-by-Side Comparison
| Thuộc Tính | Short-tailed Emerald | Amethyst-throated Mountain-gem |
|---|---|---|
| Tên Khoa Học | Chlorostilbon poortmani | Lampornis amethystinus |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 8,2 cm (3.2 in) | 13,1 cm (5.2 in) |
| Khối Lượng | 3,5 g (0.12 oz) | 5,6000000000000005 g (0.20 oz) |
| Chế Độ Ăn | Feeds on nectar from scrub and forest-edge flowers in Colombia and Venezuela. Supplements with small … | 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
Short-tailed Emerald only
Không
Amethyst-throated Mountain-gem only
Không
Song & Call Comparison
Short-tailed Emerald
Thin, reedy chip note with soft delivery; barely audible single staccato sound given from dense cover.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Short-tailed Emerald
Found in Andean cloud forests from Colombia to Venezuela at 1,500-2,800 m elevation. Resident in montane forest.
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
Short-tailed Emerald
Amethyst-throated Mountain-gem
How to Tell Them Apart
Short-tailed Emerald
Polyerata hummingbird: males with glittering green gorget; metallic green above; white underparts; females green above; spotted below
Amethyst-throated Mountain-gem
Bumblebee Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted
About These Birds
Short-tailed Emerald
A small hummingbird (7-8 cm) found in Andean cloud forests from Colombia to Venezuela at 1,500-2,800 m. Green plumage with a notably short tail. Nectarivore of montane forest undergrowth and edges. Named for its unusually short tail for an emerald.
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.