Amethyst-throated Mountain-gem vs Purple-chested Hummingbird
Lampornis amethystinus so với Polyerata rosenbergi
Side-by-Side Comparison
| Thuộc Tính | Amethyst-throated Mountain-gem | Purple-chested Hummingbird |
|---|---|---|
| Tên Khoa Học | Lampornis amethystinus | Polyerata rosenbergi |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 13,1 cm (5.2 in) | — |
| Khối Lượng | 5,6000000000000005 g (0.20 oz) | 3,8 g (0.13 oz) |
| Chế Độ Ăn | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. | Nectarivore probing tubular flowers in humid forest. Supplements nectar diet with small insects and spiders … |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Amethyst-throated Mountain-gem only
Không
Purple-chested Hummingbird only
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Song & Call Comparison
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Purple-chested Hummingbird
Soft, pure whistle with warm timbre; gentle sustained note barely wavering, given quietly from forest perch.
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.
Purple-chested Hummingbird
Found in humid Pacific lowland forests from eastern Panama to western Ecuador. Resident in Chocó forest.
Tình Trạng Bảo Tồn
Amethyst-throated Mountain-gem
Purple-chested 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
Purple-chested Hummingbird
Sumatran Ground-cuckoo: dark glossy green above; rufous-buff below; blue facial skin; long tail; massive bill; Sumatra endemic
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.
Purple-chested Hummingbird
A small hummingbird (8-9 cm) found in humid Pacific lowland forests from eastern Panama to western Ecuador. Males have a rich purple breast patch. Nectarivore of Chocó forest edges. Named after the German zoologist William Rosenberg.