Rufous-booted Racket-tail vs Rufous-gaped Hillstar
Ocreatus addae เปรียบเทียบกับ Urochroa bougueri
Side-by-Side Comparison
| คุณสมบัติ | Rufous-booted Racket-tail | Rufous-gaped Hillstar |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Ocreatus addae | Urochroa bougueri |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Not Evaluated | Least Concern |
| ความยาว | — | — |
| กว้างปีก | — | 15.7 cm (6.2 in) |
| น้ำหนัก | 3.0 g (0.11 oz) | 11.35 g (0.40 oz) |
| อาหาร | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore of Colombian and Ecuadorian montane forest; visits Ericaceae and Fuchsia blooms. Catches small arthropods. |
| จำนวนไข่ | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
Rufous-booted Racket-tail only
ไม่มี
Rufous-gaped Hillstar only
ไม่มี
Song & Call Comparison
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Rufous-gaped Hillstar
Thin, crystalline twittering with airy quality; light rapid notes cascading softly in animated aerial display.
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.
Rufous-gaped Hillstar
Found on the Pacific slope and western Andean ridge from Colombia south to Ecuador at 1,200–2,800 m.
สถานะการอนุรักษ์
Rufous-booted Racket-tail
Rufous-gaped Hillstar
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
Rufous-gaped Hillstar
White-tipped Sicklebill (alt): males with ruby-red gorget; metallic green; white-tipped outer tail feathers; females green above; spots
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.
Rufous-gaped Hillstar
A medium-sized hummingbird (13-14 cm) found in cloud forests of western Colombia and Ecuador at 1,000-2,200 m. Green plumage with rufous vent and long, deeply notched tail. Nectarivore of Chocó cloud forest. Named hillstar despite being a lowland-montane species.