Dot-eared Coquette vs Rufous-booted Racket-tail
Lophornis gouldii so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | Dot-eared Coquette | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Lophornis gouldii | Ocreatus addae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Near Threatened | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 7,6 cm (3.0 in) | — |
| Khối Lượng | 2,533333333333333 g (0.09 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | Nectarivore visiting compact flower heads and small tubular blooms at forest margins. Takes small insects … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Dot-eared Coquette
Thin, reedy whistle with plaintive character; soft, slightly nasal tone held briefly then gently fading away.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Dot-eared Coquette
Endemic to central Brazil in the cerrado zone of Maranhão, Piauí, and Tocantins. Found at 200–700 m elevation.
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
Dot-eared Coquette
Rufous-booted Racket-tail
How to Tell Them Apart
Dot-eared Coquette
Sword-billed Hummingbird: males with extraordinarily long bill; glittering violet gorget; metallic green above; females green with 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
Dot-eared Coquette
A tiny hummingbird (7-8 cm) endemic to central Brazil. Males have spotted ear tufts and rufous crest. Green plumage. Nectarivore of cerrado and gallery forest edges. Named after John Gould. A rare Brazilian endemic; relatively little known ecologically.
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.