Planalto Hermit vs Ruby-throated Hummingbird
Phaethornis pretrei 比較対象 Archilochus colubris
Side-by-Side Comparison
| 属性 | Planalto Hermit | Ruby-throated Hummingbird |
|---|---|---|
| 学名 | Phaethornis pretrei | 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 | 11.9 cm (4.7 in) | 11.0 cm (4.3 in) |
| 体重 | 5.0200000000000005 g (0.18 oz) | 3.1 g (0.11 oz) |
| 食性 | Nectarivore following trap-lining routes through Heliconia and Costus flowers. Catches small arthropods for 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
Planalto Hermit
Melodic, rising whistle with hopeful quality; smooth ascending note curving upward then briefly hovering before fading.
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
Planalto Hermit
Endemic to eastern and central Brazil from Piauí and Goiás to Mato Grosso. Found in cerrado and dry forest at 300–800 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
Planalto Hermit
Ruby-throated Hummingbird
How to Tell Them Apart
Planalto Hermit
Long-tailed Hermit: rufous below; glossy green crown; broad white supercilium; elongated white-tipped central tail feathers; buff undertail
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
Planalto Hermit
ブラジル中部のセラードと熱帯・亜熱帯林に生息するハチドリで、Pretreiのハーミットとも呼ばれる。長い嘴で花蜜を採取し、特定の植物に依存する。
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.