White-tipped Sicklebill vs Amethyst-throated Mountain-gem
Eutoxeres aquila مقارنةً بـ Lampornis amethystinus
Side-by-Side Comparison
| السمة | White-tipped Sicklebill | Amethyst-throated Mountain-gem |
|---|---|---|
| الاسم العلمي | Eutoxeres aquila | Lampornis amethystinus |
| الرتبة | Caprimulgiformes | Caprimulgiformes |
| الفصيلة | Trochilidae | Trochilidae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 14,1 cm (5.6 in) | 13,1 cm (5.2 in) |
| الوزن | 11,366666666666667 g (0.40 oz) | 5,6000000000000005 g (0.20 oz) |
| النظام الغذائي | Feeds on floral nectar and small invertebrates; males defend nectar-rich territories against other hummingbirds. | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. |
| عدد البيض في الوضع | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White-tipped Sicklebill
Rapid, sibilant twittering; light, feathery notes cascading quickly with barely perceptible pauses between loose phrases.
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-tipped Sicklebill
Found in humid forests from Costa Rica south through Panama to western Ecuador. Resident at 200–1,600 m in dense undergrowth with Heliconia.
Amethyst-throated Mountain-gem
Found in montane forest from Mexico south through Guatemala and Honduras to El Salvador. 1,000–3,200 m.
حالة الحفاظ
White-tipped Sicklebill
Amethyst-throated Mountain-gem
How to Tell Them Apart
White-tipped Sicklebill
Dark brown and buff striped underparts; green-bronze upperparts; white-tipped tail feathers; extremely curved sickle-shaped bill; sexes similar; Andean heliconia specialist with diagnostic strongly decurved bill and boldly streaked underparts.
Amethyst-throated Mountain-gem
Bumblebee Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted
About These Birds
White-tipped Sicklebill
A medium-sized hummingbird (12-14 cm) with a dramatically decurved bill, adapted for extracting nectar from curved Heliconia flowers. Green plumage with a buff-streaked breast and white-tipped tail. Found in humid forests from Costa Rica to Peru. A specialized pollinator.
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.