Green-crowned Brilliant vs Rufous-booted Racket-tail
Heliodoxa jacula so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | Green-crowned Brilliant | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Heliodoxa jacula | Ocreatus addae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 14,1 cm (5.6 in) | — |
| Khối Lượng | 7,633333333333333 g (0.27 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | Nectarivore of Central American and Colombian cloud forest; visits diverse montane flowers. Catches small insects … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Green-crowned Brilliant only
Không
Rufous-booted Racket-tail only
Không
Song & Call Comparison
Green-crowned Brilliant
Harsh, crackling buzz with emphatic onset; abrupt rough trill issuing from scrub then stopping sharply.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Green-crowned Brilliant
Found in humid foothill and lower montane forest from Costa Rica south through Colombia and Ecuador to Peru. 400–1,600 m.
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
Green-crowned Brilliant
Rufous-booted Racket-tail
How to Tell Them Apart
Green-crowned Brilliant
Oasis Hummingbird: males with iridescent purple gorget; metallic bronze-green above; white underparts; 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
Green-crowned Brilliant
A medium-sized hummingbird (12-13 cm) found in humid forests from Guatemala to Ecuador at 400-2,000 m. Males have a brilliant green crown and throat. Nectarivore of forest canopy and edges. Named for its shining, jewel-like green crown.
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.