Stripe-breasted Starthroat vs Rufous-booted Racket-tail
Heliomaster squamosus so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | Stripe-breasted Starthroat | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Heliomaster squamosus | Ocreatus addae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 11,2 cm (4.4 in) | — |
| Khối Lượng | 5,75 g (0.20 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | Nectarivore of Brazilian savanna and forest edges; visits Mimosa and other open-country flowers. Supplements with … | 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
Stripe-breasted Starthroat only
Không
Rufous-booted Racket-tail only
Không
Song & Call Comparison
Stripe-breasted Starthroat
Sharp, whistled descending phrase; clean notes stepping down smoothly with melodic precision in humid forest.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Stripe-breasted Starthroat
Found in semi-arid scrub and caatinga of eastern Brazil from Pará south to Minas Gerais. Sea level to 800 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
Stripe-breasted Starthroat
Rufous-booted Racket-tail
About These Birds
Stripe-breasted Starthroat
A medium-sized hummingbird (12-13 cm) found in cerrado and dry forests of eastern and central Brazil. Green plumage with a striped breast and glittering purple throat. Nectarivore of open woodland and garden flowers. A Brazilian near-endemic.
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.