Scissor-tailed Hummingbird vs Rufous-booted Racket-tail
Hylonympha macrocerca в сравнении с Ocreatus addae
Side-by-Side Comparison
| Характеристика | Scissor-tailed Hummingbird | Rufous-booted Racket-tail |
|---|---|---|
| Научное название | Hylonympha macrocerca | Ocreatus addae |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Trochilidae | Trochilidae |
| Охранный статус | Endangered | Not Evaluated |
| Длина | — | — |
| Размах крыльев | 13,3 cm (5.2 in) | — |
| Масса | 7,25 g (0.26 oz) | 3,0 g (0.11 oz) |
| Питание | Nectarivore of Venezuelan cloud forest; visits Ericaceae and diverse forest flowers. Catches small insects near … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| Размер кладки | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Scissor-tailed Hummingbird only
Нет
Rufous-booted Racket-tail only
Нет
Song & Call Comparison
Scissor-tailed Hummingbird
Sharp, emphatic chip note repeated rapidly; clean staccato delivery with rising intensity during territorial display.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Scissor-tailed Hummingbird
Endemic to the Paria Peninsula of northeastern Venezuela in cloud forest at 700–1,200 m. Critically endangered.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
Охранный статус
Scissor-tailed Hummingbird
Rufous-booted Racket-tail
About These Birds
Scissor-tailed Hummingbird
A medium-sized hummingbird (11-12 cm plus elongated tail in males, total 18-20 cm) endemic to the Paria Peninsula of northeastern Venezuela. Males have deeply forked, scissor-like tail streamers. Nectarivore of humid montane forest. Classified as Endangered.
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.