Blue-chested Hummingbird vs Ruby-throated Hummingbird
Polyerata amabilis so với Archilochus colubris
Side-by-Side Comparison
| Thuộc Tính | Blue-chested Hummingbird | Ruby-throated Hummingbird |
|---|---|---|
| Tên Khoa Học | Polyerata amabilis | Archilochus colubris |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | 8,5 cm (3.3 in) |
| Chiều Dài Sải Cánh | — | 11,0 cm (4.3 in) |
| Khối Lượng | 4,15 g (0.15 oz) | 3,1 g (0.11 oz) |
| Chế Độ Ăn | Feeds on nectar from diverse forest flowers, hovering briefly at each bloom. Takes small insects … | Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over … |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Môi Trường Sống Chung
Blue-chested Hummingbird 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
Blue-chested Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well through broad-leafed tropical forest.
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
Blue-chested Hummingbird
Found in humid lowland forests from Honduras to Ecuador. Resident in Caribbean lowland forests.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
Tình Trạng Bảo Tồn
Blue-chested Hummingbird
Ruby-throated Hummingbird
How to Tell Them Apart
Blue-chested Hummingbird
Andaman Coucal (alt): dark glossy brown above; rufous wings; pale below; long dark tail; red eye; Andaman island endemic
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
Blue-chested Hummingbird
A small hummingbird (8-9 cm) found in humid lowland forests from Honduras to Ecuador. Males have a bright blue breast patch. Green plumage. Nectarivore of forest undergrowth and edges. Found primarily in Caribbean lowland forests.
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.