Scissor-tailed Hummingbird vs Amethyst-throated Mountain-gem
Hylonympha macrocerca เปรียบเทียบกับ Lampornis amethystinus
Side-by-Side Comparison
| คุณสมบัติ | Scissor-tailed Hummingbird | Amethyst-throated Mountain-gem |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Hylonympha macrocerca | Lampornis amethystinus |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Endangered | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 13.3 cm (5.2 in) | 13.1 cm (5.2 in) |
| น้ำหนัก | 7.25 g (0.26 oz) | 5.6000000000000005 g (0.20 oz) |
| อาหาร | Nectarivore of Venezuelan cloud forest; visits Ericaceae and diverse forest flowers. Catches small insects near … | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. |
| จำนวนไข่ | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
Scissor-tailed Hummingbird only
ไม่มี
Amethyst-throated Mountain-gem only
ไม่มี
Song & Call Comparison
Scissor-tailed Hummingbird
Sharp, emphatic chip note repeated rapidly; clean staccato delivery with rising intensity during territorial display.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Scissor-tailed Hummingbird
Endemic to the Paria Peninsula of northeastern Venezuela in cloud forest at 700–1,200 m. Critically endangered.
Amethyst-throated Mountain-gem
Found in montane forest from Mexico south through Guatemala and Honduras to El Salvador. 1,000–3,200 m.
สถานะการอนุรักษ์
Scissor-tailed Hummingbird
Amethyst-throated Mountain-gem
How to Tell Them Apart
Scissor-tailed Hummingbird
Gorgeted Woodstar (alt): males with iridescent blue gorget; metallic green body; white pectoral tufts; females green above; spotted
Amethyst-throated Mountain-gem
Bumblebee Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted
About These Birds
Scissor-tailed Hummingbird
A medium-sized hummingbird (11-12 cm plus elongated tail in males, total 18-20 cm) endemic to the Paria Peninsula of northeastern Venezuela. Males have deeply forked, scissor-like tail streamers. Nectarivore of humid montane forest. Classified as Endangered.
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.