Long-billed Starthroat vs Rufous-booted Racket-tail
Heliomaster longirostris 比較対象 Ocreatus addae
Side-by-Side Comparison
| 属性 | Long-billed Starthroat | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Heliomaster longirostris | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Not Evaluated |
| 体長 | — | — |
| 翼開長 | 11.7 cm (4.6 in) | — |
| 体重 | 6.540000000000001 g (0.23 oz) | 3.0 g (0.11 oz) |
| 食性 | Nectarivore of lowland and foothill open habitats; visits diverse flowers at forest edges and clearings. … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| 一腹卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Long-billed Starthroat
Soft, liquid notes cascading gently; mellow flowing sequence with subtle variation characteristic of Andean forest species.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Long-billed Starthroat
Widespread from southern Mexico through Central America to Bolivia, Brazil, and Trinidad. Prefers open habitats. 0–1,200 m.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
保全状況
Long-billed Starthroat
Rufous-booted Racket-tail
How to Tell Them Apart
Long-billed Starthroat
Stripe-breasted Starthroat (alt): tiny; males with brilliant violet gorget; metallic green above; females plain green above; spots
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
Long-billed Starthroat
南メキシコから南アメリカにかけての中央・南アメリカ（標高0〜1,500 m）の低地・丘陵林縁と開けた生息地に生息する中型ハチドリ（体長12〜13 cm）。雄は白い眉毛と紫色の喉を持つ。長いくちばしで花の深い蜜を採食。
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.