Oaxaca Hummingbird vs Rufous-booted Racket-tail
Eupherusa cyanophrys 对比 Ocreatus addae
Side-by-Side Comparison
| 属性 | Oaxaca Hummingbird | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Eupherusa cyanophrys | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Endangered | Not Evaluated |
| 体长 | — | — |
| 翼展 | 11.7 cm (4.6 in) | — |
| 体重 | 4.725 g (0.17 oz) | 3.0 g (0.11 oz) |
| 食性 | 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 … |
| 产卵数 | 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.
保护状况
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
蓝冠叶绿蜂鸟，体长10-11厘米。墨西哥瓦哈卡州特有种。濒危。
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.