Wedge-tailed Hillstar vs Allen's Hummingbird
Oreotrochilus adela 比較対象 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Wedge-tailed Hillstar | Allen's Hummingbird |
|---|---|---|
| 学名 | Oreotrochilus adela | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 13.1 cm (5.2 in) | 8.1 cm (3.2 in) |
| 体重 | 7.8500000000000005 g (0.28 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Nectarivore of Andean inter-valley slopes; visits Chuquiraga and scattered shrub flowers. Catches small arthropods. | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| 一腹卵数 | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Wedge-tailed Hillstar
Deep, resonant buzz with powerful carrying; low-frequency churring trill audible at impressive distance across open land.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Wedge-tailed Hillstar
Endemic to Bolivia and adjacent Peru in high Andean puna and scrub at 2,800–4,400 m elevation.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
保全状況
Wedge-tailed Hillstar
Allen's Hummingbird
About These Birds
Wedge-tailed Hillstar
A medium-sized hummingbird (11-12 cm) endemic to the eastern Bolivian Andes at 2,700-4,200 m. Green plumage with a distinctive wedge-shaped tail. Nectarivore of puna scrub and cloud forest edges. A Bolivian near-endemic with a limited range.
Allen's Hummingbird
A small hummingbird (8-9 cm) breeding along the Pacific coast from Oregon to southern California. Males have an orange-red throat and rufous flanks. Closely related to Rufous Hummingbird. Partial migrant; some populations resident on Channel Islands. Named after Thomas Allen.