Rufous-booted Racket-tail vs Great Sapphirewing
Ocreatus addae в сравнении с Pterophanes cyanopterus
Side-by-Side Comparison
| Характеристика | Rufous-booted Racket-tail | Great Sapphirewing |
|---|---|---|
| Научное название | Ocreatus addae | Pterophanes cyanopterus |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Trochilidae | Trochilidae |
| Охранный статус | Not Evaluated | Least Concern |
| Длина | — | — |
| Размах крыльев | — | 21,0 cm (8.3 in) |
| Масса | 3,0 g (0.11 oz) | 10,05 g (0.35 oz) |
| Питание | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore of high Andean cloud forest and treeline; one of the largest hummingbirds. Visits Ericaceae … |
| Размер кладки | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Rufous-booted Racket-tail only
Нет
Great Sapphirewing only
Song & Call Comparison
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Great Sapphirewing
Buzzy, insect-like trill with pulsing rhythm; high-frequency vibration with slight amplitude modulation near flowers.
Geographic Range & Migration
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
Great Sapphirewing
Found in high Andean cloud forests and páramo from Colombia south through Ecuador and Peru to Bolivia. 2,400–3,800 m.
Охранный статус
Rufous-booted Racket-tail
Great Sapphirewing
How to Tell Them Apart
Rufous-booted Racket-tail
Golden-bellied Starfrontlet: tiny; males with brilliant orange-gold belly; violet gorget; females green above; spotted buff below
Great Sapphirewing
Scaled Helmetcrest: tiny; males with brilliant white scaled crest; metallic green above; white flanks; females plain; pale spotted below
About These Birds
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.
Great Sapphirewing
A large hummingbird (18 cm, wingspan 28 cm) found in Andean cloud forests from Colombia to Bolivia at 2,500-3,500 m. Brilliant sapphire-blue wings, green body, and long tail. One of the largest hummingbirds. Nectarivore of montane forest, visiting large-flowered Ericaceae.