White-tufted Sunbeam vs Sword-billed Hummingbird
Aglaeactis castelnaudii so với Ensifera ensifera
Side-by-Side Comparison
| Thuộc Tính | White-tufted Sunbeam | Sword-billed Hummingbird |
|---|---|---|
| Tên Khoa Học | Aglaeactis castelnaudii | Ensifera ensifera |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Near Threatened | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 14,8 cm (5.8 in) | 15,3 cm (6.0 in) |
| Khối Lượng | 7,35 g (0.26 oz) | 12,75 g (0.45 oz) |
| Chế Độ Ăn | Nectarivore of Peruvian high-altitude scrub; forages at Chuquiraga and Ericaceae blooms. Supplements with small arthropods. | Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects … |
| Số Trứng | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
White-tufted Sunbeam only
Không
Sword-billed Hummingbird only
Song & Call Comparison
White-tufted Sunbeam
Melodic, pure ascending phrase; clear flute-like tones rising smoothly in quiet musical sequence at high altitude.
Sword-billed Hummingbird
Thin, reedy whistle with plaintive character; soft nasal tone held briefly then gently fading in mist.
Geographic Range & Migration
White-tufted Sunbeam
Endemic to Peru in high Andean puna and scrub, primarily in the Apurímac and Ayacucho regions. 3,200–5,000 m.
Sword-billed Hummingbird
Found in Andean cloud forests from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. 1,700–3,500 m.
Tình Trạng Bảo Tồn
White-tufted Sunbeam
Sword-billed Hummingbird
How to Tell Them Apart
White-tufted Sunbeam
Golden-breasted Puffleg: males with glittering golden-green gorget; metallic bronze-green above; females green above; spotted below
Sword-billed Hummingbird
Olivaceous Thornbill: males with iridescent purple gorget; metallic olive-bronze above; white underparts; females green above; spots
About These Birds
White-tufted Sunbeam
A medium-sized hummingbird (12-13 cm) found in the Andes of Peru and Bolivia at 2,700-4,000 m. Coppery plumage with white breast tufts visible during courtship display. Nectarivore of montane scrub and Polylepis woodland. A Peruvian-Bolivian endemic.
Sword-billed Hummingbird
A remarkable hummingbird (14-15 cm body) with a bill as long as its body (8-10 cm), the longest bill relative to body size of any bird. Found in Andean cloud forests from Venezuela to Bolivia at 1,700-3,500 m. The extraordinarily long bill evolved to feed on deep tubular Passiflora flowers.