Rufous-shafted Woodstar vs Ruby-throated Hummingbird
Chaetocercus jourdanii เปรียบเทียบกับ Archilochus colubris
Side-by-Side Comparison
| คุณสมบัติ | Rufous-shafted Woodstar | Ruby-throated Hummingbird |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Chaetocercus jourdanii | Archilochus colubris |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | 8.5 cm (3.3 in) |
| กว้างปีก | 7.0 cm (2.8 in) | 11.0 cm (4.3 in) |
| น้ำหนัก | 3.26 g (0.11 oz) | 3.1 g (0.11 oz) |
| อาหาร | Nectarivore of Trinidad and northern South America, hovering at bromeliads and Heliconia. Supplements diet with … | Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over … |
| จำนวนไข่ | 2 | 2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
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Rufous-shafted Woodstar only
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Ruby-throated Hummingbird only
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Ruby-throated Hummingbird
Deciduous and mixed forests, woodland edges, gardens, and parks with flowering plants. Migrates across the Gulf of Mexico.
Song & Call Comparison
Rufous-shafted Woodstar
Deep, resonant single note with striking boldness; powerful tone ringing out clearly from exposed prominent perch.
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
Rufous-shafted Woodstar
Found in Andean highlands from Venezuela to Trinidad at 500-2,500 m elevation. Resident in montane forest edges and gardens.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
สถานะการอนุรักษ์
Rufous-shafted Woodstar
Ruby-throated Hummingbird
How to Tell Them Apart
Rufous-shafted Woodstar
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
Rufous-shafted Woodstar
A tiny hummingbird (7-8 cm) found in Andean highlands from Venezuela to Trinidad at 500-2,500 m. Males have rufous wing-shafts visible in flight and a purple gorget. Nectarivore of forest edges, gardens, and open country. Named after its rufous wing feather shafts.
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.