Black-breasted Hillstar vs Allen's Hummingbird
Oreotrochilus melanogaster 比較対象 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Black-breasted Hillstar | Allen's Hummingbird |
|---|---|---|
| 学名 | Oreotrochilus melanogaster | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 14.4 cm (5.7 in) | 8.1 cm (3.2 in) |
| 体重 | 7.75 g (0.27 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Nectarivore of Bolivian altiplano; forages at Ericaceae and Chuquiraga in arid puna. Takes small insects … | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| 一腹卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Black-breasted Hillstar
Rapid, light chips in animated sequence; bright staccato notes with bouncy quality during active territorial display.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Black-breasted Hillstar
Endemic to central and southern Peru in the Andes in puna grassland and scrub at 3,500–4,800 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
Black-breasted Hillstar
Allen's Hummingbird
How to Tell Them Apart
Black-breasted Hillstar
Peruvian Sheartail: males with glittering rose-red gorget; metallic green back; white underparts; females green above; pale spotted below
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Black-breasted Hillstar
A medium-sized hummingbird (12-13 cm) found in the Andes of central Peru at 3,000-4,500 m. Males have a black breast contrasting with green upperparts and white belly. Nectarivore of puna grasslands and rocky slopes. An endemic of Peru's central Andean highlands.
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.