Rufous-booted Racket-tail vs Antillean Crested Hummingbird
Ocreatus addae ile kıyaslandığında Orthorhyncus cristatus
Side-by-Side Comparison
| Özellik | Rufous-booted Racket-tail | Antillean Crested Hummingbird |
|---|---|---|
| Bilimsel Ad | Ocreatus addae | Orthorhyncus cristatus |
| Takım | Caprimulgiformes | Caprimulgiformes |
| Familya | Trochilidae | Trochilidae |
| Koruma Durumu | Not Evaluated | Least Concern |
| Uzunluk | — | — |
| Kanat Açıklığı | — | 9,4 cm (3.7 in) |
| Ağırlık | 3,0 g (0.11 oz) | 3,2600000000000002 g (0.11 oz) |
| Beslenme | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore of Lesser Antillean gardens and forest edges, visiting diverse native blooms. Supplements with small … |
| Kuluçka Büyüklüğü | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Ortak Yaşam Alanları
Rufous-booted Racket-tail only
Hiçbiri
Antillean Crested Hummingbird only
Song & Call Comparison
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Antillean Crested Hummingbird
Thin, wavering sibilant trill; soft high-pitched buzzing with pulsing rhythm during slow courtship display.
Geographic Range & Migration
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
Antillean Crested Hummingbird
Widespread across the Lesser Antilles from Puerto Rico to Grenada. Resident on most eastern Caribbean islands.
Koruma Durumu
Rufous-booted Racket-tail
Antillean Crested Hummingbird
How to Tell Them Apart
Rufous-booted Racket-tail
Golden-bellied Starfrontlet: tiny; males with brilliant orange-gold belly; violet gorget; females green above; spotted buff below
Antillean Crested Hummingbird
Ruwenzori Turaco: rich green body; red facial skin; pale blue-green crest; crimson flight feathers; white streak below eye
About These Birds
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.
Antillean Crested Hummingbird
A tiny hummingbird (8-9 cm) widespread across the Lesser Antilles from Puerto Rico to Grenada. Males have a brilliant green crest. Dark plumage. Nectarivore of gardens, forests, and plantations. The most common and widespread hummingbird in the eastern Caribbean islands.