Oaxaca Hummingbird vs Rufous-booted Racket-tail
Eupherusa cyanophrys so với Ocreatus addae
Side-by-Side Comparison
| Thuộc Tính | Oaxaca Hummingbird | Rufous-booted Racket-tail |
|---|---|---|
| Tên Khoa Học | Eupherusa cyanophrys | Ocreatus addae |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Endangered | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 11,7 cm (4.6 in) | — |
| Khối Lượng | 4,725 g (0.17 oz) | 3,0 g (0.11 oz) |
| Chế Độ Ăn | Hovering nectarivore of lowland and montane forest, probing Heliconia and garden flowers. Supplements with insects … | 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
Oaxaca Hummingbird
Pure, sustained whistle with bell-like clarity; clear single note ringing out then slowly fading away.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Oaxaca Hummingbird
Endemic to the mountains of Oaxaca, Mexico. Classified as Endangered due to extremely small 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
Oaxaca Hummingbird
Rufous-booted Racket-tail
How to Tell Them Apart
Oaxaca Hummingbird
Striped Cuckoo: pale brown-white below with dark streaks; boldly streaked dark brown above; long white-tipped tail; pale supercilium
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
Oaxaca Hummingbird
A medium-sized hummingbird (10-11 cm) endemic to the mountains of Oaxaca, southwestern Mexico. Green plumage with blue supercilium (eyebrow). Nectarivore of cloud forest and forest edges. Classified as Endangered due to extremely small range in the Sierra de Miahuatlán.
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.