Tres Marias Hummingbird vs Amethyst-throated Mountain-gem
Cynanthus lawrencei เปรียบเทียบกับ Lampornis amethystinus
Side-by-Side Comparison
| คุณสมบัติ | Tres Marias Hummingbird | Amethyst-throated Mountain-gem |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Cynanthus lawrencei | Lampornis amethystinus |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Near Threatened | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 10.0 cm (3.9 in) | 13.1 cm (5.2 in) |
| น้ำหนัก | 3.05 g (0.11 oz) | 5.6000000000000005 g (0.20 oz) |
| อาหาร | Feeds on nectar from Tres Marias Island flowers; diet supplemented with small insects and spiders … | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. |
| จำนวนไข่ | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
ไม่มี
Tres Marias Hummingbird only
ไม่มี
Amethyst-throated Mountain-gem only
Song & Call Comparison
Tres Marias Hummingbird
Pure, sustained whistle with bell-like clarity; single clear note ringing out then slowly fading in air.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Tres Marias Hummingbird
Endemic to the Tres Marías Islands off the Pacific coast of western Mexico. Resident in tropical deciduous forest.
Amethyst-throated Mountain-gem
Found in montane forest from Mexico south through Guatemala and Honduras to El Salvador. 1,000–3,200 m.
สถานะการอนุรักษ์
Tres Marias Hummingbird
Amethyst-throated Mountain-gem
About These Birds
Tres Marias Hummingbird
A medium-sized hummingbird (9-10 cm) endemic to the Tres Marías Islands off western Mexico. Green plumage. Recently split from Broad-billed Hummingbird. Nectarivore of tropical deciduous forest on the islands. A very range-restricted island endemic.
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.