Green-throated Carib vs Rufous-booted Racket-tail
Eulampis holosericeus so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | Green-throated Carib | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Eulampis holosericeus | Ocreatus addae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 11,9 cm (4.7 in) | — |
| Khối Lượng | 5,916666666666667 g (0.21 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | Nectarivore specializing in Heliconia caribaea and other large-flowered Caribbean plants. Defends territories around nectar sources. | 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
Green-throated Carib
Deep, resonant churring with powerful bass; loud low-frequency trill audible at impressive range across open terrain.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Green-throated Carib
Found throughout the Lesser Antilles from St. Kitts to Grenada in forest, gardens, and scrub. Sea level to 700 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
Green-throated Carib
Rufous-booted Racket-tail
How to Tell Them Apart
Green-throated Carib
Black-thighed Puffleg: males shining olive-bronze above; glittering blue-violet gorget; black thighs; white leg puffs; females 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
Green-throated Carib
A medium-sized hummingbird (11-12 cm) found across the Lesser Antilles from Puerto Rico to Grenada. Bright green plumage with a green throat patch. Nectarivore of gardens, forest edges, and plantations. One of the most common hummingbirds in the eastern Caribbean.
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.