Blue-fronted Lancebill vs Ruby-throated Hummingbird
Doryfera johannae 比較対象 Archilochus colubris
Side-by-Side Comparison
| 属性 | Blue-fronted Lancebill | Ruby-throated Hummingbird |
|---|---|---|
| 学名 | Doryfera johannae | Archilochus colubris |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | 8.5 cm (3.3 in) |
| 翼開長 | 10.6 cm (4.2 in) | 11.0 cm (4.3 in) |
| 体重 | 4.540000000000001 g (0.16 oz) | 3.1 g (0.11 oz) |
| 食性 | Nectarivore of cloud-forest epiphytes and Ericaceae blooms. Catches small arthropods near flowers for additional protein. | Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over … |
| 一腹卵数 | 2 | 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
Blue-fronted Lancebill
Sharp, high peep followed by rapid twittering; brief introductory note launching into animated cascade of lighter chips.
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-fronted Lancebill
Found in lowland and foothill forests from southern Colombia through Ecuador and Peru to Bolivia. Sea level to 1,200 m.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
保全状況
Blue-fronted Lancebill
Ruby-throated Hummingbird
How to Tell Them Apart
Blue-fronted Lancebill
Dot-eared Coquette: males with elongated tufted black crest; glittering blue-green gorget; bronze-green back; females with rufous crown patch
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-fronted Lancebill
A medium-sized hummingbird (11-12 cm) with a very long, straight bill. Green plumage with a blue-violet forehead. Found in humid montane forests from Venezuela to Bolivia at 600-1,800 m. Nectarivore specializing in long-tubed flowers. Named for its lance-like bill.
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.