Emerald-bellied Puffleg vs Rufous-booted Racket-tail
Eriocnemis aline เปรียบเทียบกับ Ocreatus addae
Side-by-Side Comparison
| คุณสมบัติ | Emerald-bellied Puffleg | Rufous-booted Racket-tail |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Eriocnemis aline | Ocreatus addae |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Least Concern | Not Evaluated |
| ความยาว | — | — |
| กว้างปีก | 9.9 cm (3.9 in) | — |
| น้ำหนัก | 3.75 g (0.13 oz) | 3.0 g (0.11 oz) |
| อาหาร | 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 … |
| จำนวนไข่ | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
Emerald-bellied Puffleg only
ไม่มี
Rufous-booted Racket-tail only
ไม่มี
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.
สถานะการอนุรักษ์
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.