Amethyst-throated Mountain-gem vs Black-backed Thornbill
Lampornis amethystinus से तुलना Ramphomicron dorsale
Side-by-Side Comparison
| विशेषता | Amethyst-throated Mountain-gem | Black-backed Thornbill |
|---|---|---|
| वैज्ञानिक नाम | Lampornis amethystinus | Ramphomicron dorsale |
| गण | Caprimulgiformes | Caprimulgiformes |
| कुल | Trochilidae | Trochilidae |
| संरक्षण स्थिति | Least Concern | Near Threatened |
| लंबाई | — | — |
| पंखों का फैलाव | 13.1 cm (5.2 in) | 11.0 cm (4.3 in) |
| वजन | 5.6000000000000005 g (0.20 oz) | 3.5 g (0.12 oz) |
| आहार | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. | Nectarivore of high montane scrub and páramo; short bill suits small compact flowers. Gleans tiny … |
| अंडों की संख्या | 2 | -- |
| Population Trend | — | — |
Habitat Comparison
साझा आवास
Amethyst-throated Mountain-gem only
कोई नहीं
Black-backed Thornbill only
Song & Call Comparison
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Black-backed Thornbill
Soft, sibilant hissing trill; gentle continuous buzz with slight pulsing quality during slow hover near blossoms.
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.
Black-backed Thornbill
Endemic to the Sierra Nevada de Santa Marta, Colombia, in high-elevation scrub and páramo. 1,800–3,500 m. Found nowhere else.
संरक्षण स्थिति
Amethyst-throated Mountain-gem
Black-backed Thornbill
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.
Black-backed Thornbill
A tiny hummingbird (7-8 cm) endemic to the Santa Marta Mountains of northern Colombia at 3,000-4,600 m. Dark back, tiny bill, and white underparts. Nectarivore of high-altitude páramo. Classified as Vulnerable due to restricted mountain-top habitat.