Rainbow-bearded Thornbill vs Rufous-booted Racket-tail
Chalcostigma herrani comparado con Ocreatus addae
Side-by-Side Comparison
| Atributo | Rainbow-bearded Thornbill | Rufous-booted Racket-tail |
|---|---|---|
| Nombre científico | Chalcostigma herrani | Ocreatus addae |
| Orden | Caprimulgiformes | Caprimulgiformes |
| Familia | Trochilidae | Trochilidae |
| Estado de conservación | Least Concern | Not Evaluated |
| Longitud | — | — |
| Envergadura | 13,5 cm (5.3 in) | — |
| Peso | 6,183333333333334 g (0.22 oz) | 3,0 g (0.11 oz) |
| Dieta | Nectarivore of Colombian and Venezuelan montane scrub; visits diverse small flowers. Supplements with small insects. | 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
Ninguno
Rainbow-bearded Thornbill only
Rufous-booted Racket-tail only
Song & Call Comparison
Rainbow-bearded Thornbill
Thin, reedy trill with wavering quality; soft rapid notes with gentle tremolo effect, given from dense cover.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Rainbow-bearded Thornbill
Found in high Andean páramo and shrubby forest edge from Colombia south to Ecuador and Peru. 2,600–4,400 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
Rainbow-bearded Thornbill
Rufous-booted Racket-tail
About These Birds
Rainbow-bearded Thornbill
Picoespina de Herran (Chalcostigma herrani), 11–12 cm. Colibrí con cola espinosa; macho con garganta verde-dorada iridiscente y larga cola bifurcada. Habita en páramos y bordes de bosque alto-andino de Colombia y Ecuador. Se alimenta de néctar de flores de bromeliáceas y espeletias.
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.