Amethyst-throated Mountain-gem vs Grey-tailed Mountain-gem
Lampornis amethystinus เปรียบเทียบกับ Lampornis cinereicauda
Side-by-Side Comparison
| คุณสมบัติ | Amethyst-throated Mountain-gem | Grey-tailed Mountain-gem |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Lampornis amethystinus | Lampornis cinereicauda |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 13.1 cm (5.2 in) | 12.4 cm (4.9 in) |
| น้ำหนัก | 5.6000000000000005 g (0.20 oz) | 5.425 g (0.19 oz) |
| อาหาร | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. | Nectarivore of Costa Rican and Panamanian cloud forest; forages at Ericaceae and Salvia. Gleans small … |
| จำนวนไข่ | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
Amethyst-throated Mountain-gem only
ไม่มี
Grey-tailed Mountain-gem only
ไม่มี
Song & Call Comparison
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Grey-tailed Mountain-gem
Sharp, crackling chatter with percussive quality; rapid dry notes delivered forcefully near active territory boundary.
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.
Grey-tailed Mountain-gem
Found in highland forest of Costa Rica, primarily the Pacific slope Talamanca range. 1,200–2,400 m.
สถานะการอนุรักษ์
Amethyst-throated Mountain-gem
Grey-tailed Mountain-gem
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
Grey-tailed Mountain-gem
Rufous-breasted Sabrewing: males glittering blue-violet gorget; metallic green; rufous breast patch; females green above; spotted
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.
Grey-tailed Mountain-gem
A medium-sized hummingbird (10-11 cm) endemic to the Talamanca highlands of Costa Rica and western Panama at 1,400-2,500 m. Males have green plumage with a grey tail. Nectarivore of cloud forest. Closely related to Purple-throated Mountain-gem.