Violet-capped Hummingbird vs Rufous-booted Racket-tail
Goldmania violiceps so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | Violet-capped Hummingbird | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Goldmania violiceps | Ocreatus addae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Near Threatened | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 9,9 cm (3.9 in) | — |
| Khối Lượng | 3,8666666666666667 g (0.14 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | Feeds on nectar from lowland Panamanian forest flowers. Supplements with insects and spiders foraged from … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| Số Trứng | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Violet-capped Hummingbird only
Không
Rufous-booted Racket-tail only
Không
Song & Call Comparison
Violet-capped Hummingbird
Sharp, emphatic chip note with metallic ring; single clean staccato sound repeated at measured intervals.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Violet-capped Hummingbird
Found in humid forests from eastern Panama to northwestern Colombia. Resident in lowland forest undergrowth.
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
Violet-capped Hummingbird
Rufous-booted Racket-tail
How to Tell Them Apart
Violet-capped Hummingbird
Lesser Florican: males with black head and underparts; white wings and neck ruff; brown back; females sandy-brown; very dimorphic
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
Violet-capped Hummingbird
A small hummingbird (9-10 cm) found in humid forests from eastern Panama to northwestern Colombia. Green plumage with a violet crown (males). Nectarivore of forest undergrowth and edges. Named after the American ornithologist William Goldman.
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.