Amethyst-throated Mountain-gem vs Saw-billed Hermit
Lampornis amethystinus so với Ramphodon naevius
Side-by-Side Comparison
| Thuộc Tính | Amethyst-throated Mountain-gem | Saw-billed Hermit |
|---|---|---|
| Tên Khoa Học | Lampornis amethystinus | Ramphodon naevius |
| 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) | 14,3 cm (5.6 in) |
| Khối Lượng | 5,6000000000000005 g (0.20 oz) | 7,15 g (0.25 oz) |
| Chế Độ Ăn | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. | Primarily nectarivore; bill curvature matches specific flowers; supplements diet by hawking tiny insects. |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Amethyst-throated Mountain-gem only
Không
Saw-billed Hermit only
Không
Song & Call Comparison
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Saw-billed Hermit
Bright, musical trill with cheerful bubbly quality; quick rolling notes cascading pleasantly from dense flowering vegetation.
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.
Saw-billed Hermit
Endemic to the Atlantic Forest of southeastern Brazil from Bahia to Santa Catarina. Resident in humid forest up to 1,200 m. Near Threatened.
Tình Trạng Bảo Tồn
Amethyst-throated Mountain-gem
Saw-billed Hermit
How to Tell Them Apart
Amethyst-throated Mountain-gem
Saw-billed Hermit
Bronze-green upperparts; underparts rufous-buff with dark brown streaking; broad pale supercilium; rufous-buff tail tipped dark; serrated edge to bill visible at close range; Brazilian Atlantic forest endemic; boldly streaked underparts.
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.
Saw-billed Hermit
A large hummingbird (14-16 cm) endemic to the Atlantic Forest of southeastern Brazil. Distinguished by its serrated, saw-like bill unique among hummingbirds. Green plumage with a rufous throat. Nectarivore and insectivore. Classified as Near Threatened due to Atlantic Forest fragmentation.