Gorgeted Woodstar vs Rufous-booted Racket-tail
Chaetocercus heliodor so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | Gorgeted Woodstar | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Chaetocercus heliodor | Ocreatus addae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 6,1 cm (2.4 in) | — |
| Khối Lượng | 2,225 g (0.08 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | Nectarivore of subtropical Andean slopes, visiting diverse flowering herbs. Supplements nectar with small arthropods gleaned … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| Số Trứng | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Gorgeted Woodstar
High, thin whistle barely perceptible; delicate sustained note at extreme frequency, rarely detectable by human ear.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Gorgeted Woodstar
Found in Andean cloud forests from Venezuela to Ecuador at 800-2,200 m elevation. Resident in montane forest edges.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
Tình Trạng Bảo Tồn
Gorgeted Woodstar
Rufous-booted Racket-tail
How to Tell Them Apart
Gorgeted Woodstar
Vervain Hummingbird: world's 2nd smallest bird; males with violet gorget; metallic green above; females pale below; tiny size
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
Gorgeted Woodstar
A tiny hummingbird (7-8 cm) found in Andean cloud forests from Venezuela to Ecuador at 800-2,200 m. Males have a glittering green and blue gorget. Nectarivore of forest edges and gardens. Named for its spectacular jewel-like throat plumage.
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.