Blue-mantled Thornbill vs Rufous-booted Racket-tail
Chalcostigma stanleyi comparado con Ocreatus addae
Side-by-Side Comparison
| Atributo | Blue-mantled Thornbill | Rufous-booted Racket-tail |
|---|---|---|
| Nombre científico | Chalcostigma stanleyi | Ocreatus addae |
| Orden | Caprimulgiformes | Caprimulgiformes |
| Familia | Trochilidae | Trochilidae |
| Estado de conservación | Least Concern | Not Evaluated |
| Longitud | — | — |
| Envergadura | 13,2 cm (5.2 in) | — |
| Peso | 5,2749999999999995 g (0.19 oz) | 3,0 g (0.11 oz) |
| Dieta | Nectarivore of Andean treeline scrub; visits Ericaceae and Brachyotum blooms. 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
Ninguno
Blue-mantled Thornbill only
Rufous-booted Racket-tail only
Song & Call Comparison
Blue-mantled Thornbill
Crisp, whistled notes in ascending sequence; clean bright tones stepping up smoothly in cheerful morning delivery.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Blue-mantled Thornbill
Found in high Andean páramo from Colombia south through Ecuador and Peru to Bolivia. 3,000–4,500 m elevation.
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
Blue-mantled Thornbill
Rufous-booted Racket-tail
About These Birds
Blue-mantled Thornbill
Picoespina de Stanley (Chalcostigma stanleyi), 11–13 cm. Macho con garganta verde-azulada brillante; partes superiores verde oscuro; cola bifurcada. Habita en páramos y bordes de bosque alto-andino de Ecuador y Perú. Se alimenta de néctar. Adaptado a las condiciones frías de la puna.
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.