Black-crested Coquette vs Rufous-booted Racket-tail
Lophornis helenae so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | Black-crested Coquette | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Lophornis helenae | Ocreatus addae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 7,9 cm (3.1 in) | — |
| Khối Lượng | 2,7 g (0.10 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | Nectarivore of Central American foothill forest. Defends small flower patches; supplements with tiny arthropods. | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| Số Trứng | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Black-crested Coquette only
Không
Rufous-booted Racket-tail only
Không
Song & Call Comparison
Black-crested Coquette
Rapid, mechanical twittering cascade; quick staccato notes tumbling freely in animated sequence above flowering trees.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Black-crested Coquette
Found from southern Mexico through Central America to western Colombia in lowland and foothill forest. 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
Black-crested Coquette
Rufous-booted Racket-tail
How to Tell Them Apart
Black-crested Coquette
Bee Hummingbird: world's smallest bird; males with glittering blue-violet gorget; metallic green above; females plain green above
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
Black-crested Coquette
A tiny hummingbird (7 cm) found in humid forests from southern Mexico through Central America to Belize and Guatemala. Males have an elongated black crest and white tail-band. Nectarivore of forest undergrowth and edges. Uncommon and inconspicuous.
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.