Cozumel Emerald vs Rufous-booted Racket-tail
Cynanthus forficatus so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | Cozumel Emerald | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Cynanthus forficatus | Ocreatus addae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | — |
| Khối Lượng | 2,5 g (0.09 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | Nectarivore specialising in tubular blossoms; supplements the floral nectar diet with tiny insects and spiders … | 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
Cozumel Emerald
Soft, high-pitched twittering barely audible; delicate minute notes cascading gently near 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
Cozumel Emerald
Endemic to Cozumel Island off the Yucatán Peninsula, Mexico. Classified as Vulnerable due to its tiny island range.
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
Cozumel Emerald
Rufous-booted Racket-tail
How to Tell Them Apart
Cozumel Emerald
Edward's Hummingbird: males with iridescent blue gorget; metallic green above; white underparts; females green above; spotted below
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
Cozumel Emerald
A medium-sized hummingbird (9-10 cm) endemic to Cozumel Island off the Yucatán Peninsula, Mexico. Green plumage with a forked tail. Nectarivore of the island's tropical forest and gardens. A very range-restricted island endemic. Classified as Vulnerable.
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.