Planalto Hermit vs Ruby-throated Hummingbird
Phaethornis pretrei เปรียบเทียบกับ Archilochus colubris
Side-by-Side Comparison
| คุณสมบัติ | Planalto Hermit | Ruby-throated Hummingbird |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Phaethornis pretrei | Archilochus colubris |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | 8.5 cm (3.3 in) |
| กว้างปีก | 11.9 cm (4.7 in) | 11.0 cm (4.3 in) |
| น้ำหนัก | 5.0200000000000005 g (0.18 oz) | 3.1 g (0.11 oz) |
| อาหาร | 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 … |
| จำนวนไข่ | 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.
สถานะการอนุรักษ์
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
A medium-sized hermit hummingbird (13-15 cm) found in cerrado, gallery forests, and dry woodlands of central and eastern Brazil. Green upperparts, pale underparts, and rufous rump with long, white-tipped central tail feathers. Named after the French naturalist Auguste de Saint-Hilaire.
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.