Cozumel Emerald vs Amethyst-throated Mountain-gem
Cynanthus forficatus so với Lampornis amethystinus
Side-by-Side Comparison
| Thuộc Tính | Cozumel Emerald | Amethyst-throated Mountain-gem |
|---|---|---|
| Tên Khoa Học | Cynanthus forficatus | Lampornis amethystinus |
| 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 | 2,5 g (0.09 oz) | 5,6000000000000005 g (0.20 oz) |
| Chế Độ Ăn | Nectarivore specialising in tubular blossoms; supplements the floral nectar diet with tiny insects and spiders … | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Cozumel Emerald
Soft, high-pitched twittering barely audible; delicate minute notes cascading gently near flowering trees.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Cozumel Emerald
Endemic to Cozumel Island off the Yucatán Peninsula, Mexico. Classified as Vulnerable due to its tiny island range.
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
Cozumel Emerald
Amethyst-throated Mountain-gem
How to Tell Them Apart
Cozumel Emerald
Edward's Hummingbird: males with iridescent blue 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
Cozumel Emerald
A medium-sized hummingbird (9-10 cm) endemic to Cozumel Island off the Yucatán Peninsula, Mexico. Green plumage with a forked tail. Nectarivore of the island's tropical forest and gardens. A very range-restricted island endemic. Classified as Vulnerable.
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.