Chilean Woodstar vs Rufous-booted Racket-tail
Eulidia yarrellii เปรียบเทียบกับ Ocreatus addae
Side-by-Side Comparison
| คุณสมบัติ | Chilean Woodstar | Rufous-booted Racket-tail |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Eulidia yarrellii | Ocreatus addae |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Critically Endangered | Not Evaluated |
| ความยาว | — | — |
| กว้างปีก | 6.6 cm (2.6 in) | — |
| น้ำหนัก | 2.38 g (0.08 oz) | 3.0 g (0.11 oz) |
| อาหาร | Nectar specialist of arid Atacama valleys, visiting cacti and Nicotiana. Supplements diet with small insects … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| จำนวนไข่ | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Chilean Woodstar
Buzzy, high-pitched trill with insect-like quality; sustained rapid vibration with minimal melodic content.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Chilean Woodstar
Endemic to the hyper-arid coast of northern Chile from Arica to Antofagasta. Critically Endangered with fewer than 400 individuals.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
สถานะการอนุรักษ์
Chilean Woodstar
Rufous-booted Racket-tail
How to Tell Them Apart
Chilean Woodstar
Slender Sheartail: males with glittering violet gorget; metallic green above; elongated outer tail; females green above; spotted below
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
Chilean Woodstar
A tiny hummingbird (7-8 cm) endemic to the hyper-arid Atacama coast of northern Chile. Males have a purple throat and forked tail. Nectarivore of desert scrub and cultivated gardens. Critically Endangered with fewer than 400 individuals remaining due to habitat destruction.
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.