Chilean Woodstar vs Ruby-throated Hummingbird
Eulidia yarrellii 比較対象 Archilochus colubris
Side-by-Side Comparison
| 属性 | Chilean Woodstar | Ruby-throated Hummingbird |
|---|---|---|
| 学名 | Eulidia yarrellii | Archilochus colubris |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Critically Endangered | Least Concern |
| 体長 | — | 8.5 cm (3.3 in) |
| 翼開長 | 6.6 cm (2.6 in) | 11.0 cm (4.3 in) |
| 体重 | 2.38 g (0.08 oz) | 3.1 g (0.11 oz) |
| 食性 | Nectar specialist of arid Atacama valleys, visiting cacti and Nicotiana. Supplements diet with small insects … | Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over … |
| 一腹卵数 | -- | 2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Ruby-throated Hummingbird
Deciduous and mixed forests, woodland edges, gardens, and parks with flowering plants. Migrates across the Gulf of Mexico.
Song & Call Comparison
Chilean Woodstar
Buzzy, high-pitched trill with insect-like quality; sustained rapid vibration with minimal melodic content.
Ruby-throated Hummingbird
Soft, high-pitched chattering and twittering 'chee-dit'. Also produces a thin 'tik' call in flight. Wing beats create an audible high-pitched humming buzz during hovering.
Geographic Range & Migration
Chilean Woodstar
Endemic to the hyper-arid coast of northern Chile from Arica to Antofagasta. Critically Endangered with fewer than 400 individuals.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
保全状況
Chilean Woodstar
Ruby-throated Hummingbird
How to Tell Them Apart
Chilean Woodstar
Slender Sheartail: males with glittering violet gorget; metallic green above; elongated outer tail; females green above; spotted below
Ruby-throated Hummingbird
Metallic green upperparts and greyish-white underparts. Males have a brilliant iridescent ruby-red gorget that appears black in poor light. Females lack the gorget.
Long, straight, thin black bill adapted for probing flowers
About These Birds
Chilean Woodstar
チリのアタカマ砂漠に生息するハチドリで、個体数400羽未満の絶滅危惧種IA類に指定されている。
Ruby-throated Hummingbird
The ruby-throated hummingbird is the only breeding hummingbird in eastern North America. These tiny birds beat their wings about 53 times per second and can fly backwards, sideways, and even briefly upside down. They make an extraordinary non-stop 800 km crossing of the Gulf of Mexico during migration.