Long-billed Starthroat vs Rufous-booted Racket-tail
Heliomaster longirostris so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | Long-billed Starthroat | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Heliomaster longirostris | Ocreatus addae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 11,7 cm (4.6 in) | — |
| Khối Lượng | 6,540000000000001 g (0.23 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | Nectarivore of lowland and foothill open habitats; visits diverse flowers at forest edges and clearings. … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Long-billed Starthroat only
Không
Rufous-booted Racket-tail only
Không
Song & Call Comparison
Long-billed Starthroat
Soft, liquid notes cascading gently; mellow flowing sequence with subtle variation characteristic of Andean forest species.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Long-billed Starthroat
Widespread from southern Mexico through Central America to Bolivia, Brazil, and Trinidad. Prefers open habitats. 0–1,200 m.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
Tình Trạng Bảo Tồn
Long-billed Starthroat
Rufous-booted Racket-tail
How to Tell Them Apart
Long-billed Starthroat
Stripe-breasted Starthroat (alt): tiny; males with brilliant violet gorget; metallic green above; females plain green above; spots
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
Long-billed Starthroat
A medium-sized hummingbird (12-13 cm) found in humid forests from southern Mexico to Bolivia and Brazil. Long, slightly decurved bill. Green plumage with a glittering blue-purple throat. Nectarivore of forest canopy and edges. Widespread Neotropical species.
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.