Buff-tailed Coronet vs Amethyst-throated Mountain-gem
Boissonneaua flavescens в сравнении с Lampornis amethystinus
Side-by-Side Comparison
| Характеристика | Buff-tailed Coronet | Amethyst-throated Mountain-gem |
|---|---|---|
| Научное название | Boissonneaua flavescens | Lampornis amethystinus |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Trochilidae | Trochilidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 15,0 cm (5.9 in) | 13,1 cm (5.2 in) |
| Масса | 8,033333333333333 g (0.28 oz) | 5,6000000000000005 g (0.20 oz) |
| Питание | Nectarivore of Andean cloud forest; visits Ericaceae and Fuchsia blooms. Aggressively defends territories; gleans small … | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. |
| Размер кладки | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Buff-tailed Coronet
Soft, pure descending whistle; gentle note curving downward smoothly, warm and musical in cloud forest quiet.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Buff-tailed Coronet
Found in Andean cloud forests from Venezuela south through Colombia, Ecuador, and Peru to Bolivia. 1,600–3,000 m.
Amethyst-throated Mountain-gem
Found in montane forest from Mexico south through Guatemala and Honduras to El Salvador. 1,000–3,200 m.
Охранный статус
Buff-tailed Coronet
Amethyst-throated Mountain-gem
How to Tell Them Apart
Buff-tailed Coronet
White-bearded Helmetcrest: males with glittering blue-violet gorget; metallic green; white beard; white leg puffs; females plain green
Amethyst-throated Mountain-gem
Bumblebee Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted
About These Birds
Buff-tailed Coronet
A medium-sized hummingbird (11-12 cm) found in Andean cloud forests from Venezuela to Peru at 1,500-3,000 m. Green plumage with a buff-orange tail. Nectarivore of montane forest and edges. Named coronet for the green iridescence on the crown.
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.