Black-throated Brilliant vs Rufous-booted Racket-tail
Heliodoxa schreibersii comparado con Ocreatus addae
Side-by-Side Comparison
| Atributo | Black-throated Brilliant | Rufous-booted Racket-tail |
|---|---|---|
| Nombre científico | Heliodoxa schreibersii | Ocreatus addae |
| Orden | Caprimulgiformes | Caprimulgiformes |
| Familia | Trochilidae | Trochilidae |
| Estado de conservación | Least Concern | Not Evaluated |
| Longitud | — | — |
| Envergadura | 13,9 cm (5.5 in) | — |
| Peso | 8,5 g (0.30 oz) | 3,0 g (0.11 oz) |
| Dieta | Nectarivore of Amazonian foothill forest; visits large-flowered shrubs and epiphytes. Supplements with small arthropods. | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| Tamaño de la puesta | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Black-throated Brilliant only
Ninguno
Rufous-booted Racket-tail only
Ninguno
Song & Call Comparison
Black-throated Brilliant
Buzzy, sustained trill with insect-like monotony; continuous low vibration with minimal variation throughout delivery.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Black-throated Brilliant
Found in lowland and foothill humid forest from Colombia south through Ecuador, Peru, and Bolivia. 0–1,400 m.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
Estado de conservación
Black-throated Brilliant
Rufous-booted Racket-tail
How to Tell Them Apart
Black-throated Brilliant
Giant Hummingbird (alt): males with iridescent blue gorget; metallic green; very large; white rump; 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
Black-throated Brilliant
El colibrí brillante de oreja negra es un colibrí de tamaño mediano de los bosques húmedos de la cuenca amazónica y las estribaciones andinas orientales. El macho presenta partes superiores verde metálico y un gorjal iridiscente brillante. Se alimenta del néctar de diversas flores de los estratos del bosque. La hembra es más apagada. Forma parte de las comunidades de colibríes de las selvas tropicales amazónicas.
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.