Gould's Brilliant vs Rufous-booted Racket-tail
Heliodoxa aurescens verglichen mit Ocreatus addae
Side-by-Side Comparison
| Merkmal | Gould's Brilliant | Rufous-booted Racket-tail |
|---|---|---|
| Wissenschaftlicher Name | Heliodoxa aurescens | Ocreatus addae |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Trochilidae | Trochilidae |
| Erhaltungsstatus | Least Concern | Not Evaluated |
| Länge | — | — |
| Flügelspannweite | 12,2 cm (4.8 in) | — |
| Gewicht | 5,975 g (0.21 oz) | 3,0 g (0.11 oz) |
| Ernährung | Nectarivore of Ecuadorian and Peruvian cloud forest; aggressively defends Ericaceae patches. Takes small insects for … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| Gelegegröße | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Gould's Brilliant
Soft, pure whistle with tremulous quality; gentle wavering note given quietly from shaded perch in dense thicket.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Gould's Brilliant
Found in Amazonian lowland forest from Colombia and Venezuela south through Ecuador, Peru, and Bolivia to Brazil. 0–1,000 m.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
Erhaltungsstatus
Gould's Brilliant
Rufous-booted Racket-tail
How to Tell Them Apart
Gould's Brilliant
Black-backed Thornbill (alt): tiny; males with brilliant violet gorget; metallic green above; white flanks; females plain green; 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
Gould's Brilliant
A medium-sized hummingbird (12-13 cm) found in humid lowland forests from eastern Colombia through the Guianas to Bolivia and Brazil. Green plumage with iridescent golden-green breast. Nectarivore of Amazonian forest canopy and edges. Named after John Gould.
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.