White-necked Jacobin vs Amethyst-throated Mountain-gem
Florisuga mellivora so với Lampornis amethystinus
Side-by-Side Comparison
| Thuộc Tính | White-necked Jacobin | Amethyst-throated Mountain-gem |
|---|---|---|
| Tên Khoa Học | Florisuga mellivora | Lampornis amethystinus |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 13,6 cm (5.4 in) | 13,1 cm (5.2 in) |
| Khối Lượng | 7,666666666666667 g (0.27 oz) | 5,6000000000000005 g (0.20 oz) |
| Chế Độ Ăn | Nectar generalist visiting a wide range of forest flowers; also catches small arthropods by aerial … | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. |
| Số Trứng | 1-3 | 2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
White-necked Jacobin only
Không
Amethyst-throated Mountain-gem only
Không
Song & Call Comparison
White-necked Jacobin
High, insect-like buzzing sustained for several seconds; thin monotone delivered continuously during hovering display flight.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
White-necked Jacobin
Found from Mexico south through Central America to Venezuela, Trinidad, and the western Amazon. Common in lowland forest edge and gardens.
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
White-necked Jacobin
Amethyst-throated Mountain-gem
How to Tell Them Apart
White-necked Jacobin
Males vivid blue head and throat; white nape and hindneck contrasting sharply with blue; white belly; green back; white tail with dark terminal band; females brown above, spotted below; bold …
Amethyst-throated Mountain-gem
Bumblebee Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted
About These Birds
White-necked Jacobin
A medium-sized hummingbird (11-12 cm) with a dazzling white breast, deep blue hood, and green back. Found from Mexico to Brazil and Trinidad. Male's brilliant white neck and chest are striking in flight. Nectarivore of forest canopy, visiting a wide variety of tropical flowers.
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.