Emerald-bellied Puffleg vs Rufous-booted Racket-tail
Eriocnemis aline в сравнении с Ocreatus addae
Side-by-Side Comparison
| Характеристика | Emerald-bellied Puffleg | Rufous-booted Racket-tail |
|---|---|---|
| Научное название | Eriocnemis aline | Ocreatus addae |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Trochilidae | Trochilidae |
| Охранный статус | Least Concern | Not Evaluated |
| Длина | — | — |
| Размах крыльев | 9,9 cm (3.9 in) | — |
| Масса | 3,75 g (0.13 oz) | 3,0 g (0.11 oz) |
| Питание | Nectarivore of Peruvian and Bolivian montane forest; forages at Ericaceae and epiphytic orchids. Takes small … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| Размер кладки | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Emerald-bellied Puffleg
Rapid, light twittering cascade; high airy notes tumbling quickly in animated sequence during competitive interaction.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Emerald-bellied Puffleg
Found on the eastern Andean slope from Peru to Bolivia in lower montane cloud forest at 900–2,200 m.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
Охранный статус
Emerald-bellied Puffleg
Rufous-booted Racket-tail
How to Tell Them Apart
Emerald-bellied Puffleg
Gorgeted Puffleg: males with glittering blue-violet gorget; metallic green above; large white leg puffs; females green above; spots
Rufous-booted Racket-tail
Golden-bellied Starfrontlet: tiny; males with brilliant orange-gold belly; violet gorget; females green above; spotted buff below
About These Birds
Emerald-bellied Puffleg
A small hummingbird (10-11 cm) found in Andean cloud forests from Venezuela to Bolivia at 2,000-3,200 m. Green plumage with emerald-green belly and white leg puffs. Nectarivore of montane forest and forest edges. A widespread Andean cloud forest species.
Rufous-booted Racket-tail
A small hummingbird (8-10 cm plus tail rackets) found in Andean cloud forests of southeastern Peru and Bolivia at 1,200-2,200 m. Males have rufous leg puffs instead of white. Recently split from Booted Racket-tail. Nectarivore of montane forest undergrowth.