Stripe-breasted Starthroat vs Rufous-booted Racket-tail
Heliomaster squamosus 比較対象 Ocreatus addae
Side-by-Side Comparison
| 属性 | Stripe-breasted Starthroat | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Heliomaster squamosus | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Not Evaluated |
| 体長 | — | — |
| 翼開長 | 11.2 cm (4.4 in) | — |
| 体重 | 5.75 g (0.20 oz) | 3.0 g (0.11 oz) |
| 食性 | Nectarivore of Brazilian savanna and forest edges; visits Mimosa and other open-country flowers. Supplements with … | 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
Stripe-breasted Starthroat
Sharp, whistled descending phrase; clean notes stepping down smoothly with melodic precision in humid forest.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Stripe-breasted Starthroat
Found in semi-arid scrub and caatinga of eastern Brazil from Pará south to Minas Gerais. Sea level to 800 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
Stripe-breasted Starthroat
Rufous-booted Racket-tail
About These Birds
Stripe-breasted Starthroat
ブラジル東部の低地・沿岸林・カアティンガ植生に生息する中型ハチドリ（体長11〜12 cm）。雄は鱗状に見える緑の羽衣と赤紫の喉を持つ。ブラジル東部の特定生息地に適応した蜜食性の専門種。
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.