White-tailed Hummingbird vs Amethyst-throated Mountain-gem
Eupherusa poliocerca เปรียบเทียบกับ Lampornis amethystinus
Side-by-Side Comparison
| คุณสมบัติ | White-tailed Hummingbird | Amethyst-throated Mountain-gem |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Eupherusa poliocerca | Lampornis amethystinus |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Near Threatened | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 12.1 cm (4.8 in) | 13.1 cm (5.2 in) |
| น้ำหนัก | 4.625 g (0.16 oz) | 5.6000000000000005 g (0.20 oz) |
| อาหาร | Feeds on nectar from flowering shrubs and epiphytes. Catches small insects and spiders to meet … | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. |
| จำนวนไข่ | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
White-tailed Hummingbird only
ไม่มี
Amethyst-throated Mountain-gem only
ไม่มี
Song & Call Comparison
White-tailed Hummingbird
Harsh, buzzy chatter with emphatic rhythm; coarse rough notes delivered rapidly with raw buzzy texture.
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-tailed Hummingbird
Endemic to the Sierra Madre del Sur of Guerrero and Oaxaca, Mexico. Classified as Vulnerable due to restricted range.
Amethyst-throated Mountain-gem
Found in montane forest from Mexico south through Guatemala and Honduras to El Salvador. 1,000–3,200 m.
สถานะการอนุรักษ์
White-tailed Hummingbird
Amethyst-throated Mountain-gem
About These Birds
White-tailed Hummingbird
A medium-sized hummingbird (10-11 cm) endemic to the Sierra Madre del Sur of Guerrero and Oaxaca, southwestern Mexico. Green plumage with white outer tail feathers. Nectarivore of montane forest. Classified as Vulnerable due to restricted range.
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.