Rufous-booted Racket-tail vs Antillean Crested Hummingbird
Ocreatus addae เปรียบเทียบกับ Orthorhyncus cristatus
Side-by-Side Comparison
| คุณสมบัติ | Rufous-booted Racket-tail | Antillean Crested Hummingbird |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Ocreatus addae | Orthorhyncus cristatus |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Not Evaluated | Least Concern |
| ความยาว | — | — |
| กว้างปีก | — | 9.4 cm (3.7 in) |
| น้ำหนัก | 3.0 g (0.11 oz) | 3.2600000000000002 g (0.11 oz) |
| อาหาร | 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 … |
| จำนวนไข่ | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
Rufous-booted Racket-tail only
ไม่มี
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.
สถานะการอนุรักษ์
Rufous-booted Racket-tail
Antillean Crested Hummingbird
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.