Black-bellied Thorntail vs Ruby-throated Hummingbird
Discosura langsdorffi เปรียบเทียบกับ Archilochus colubris
Side-by-Side Comparison
| คุณสมบัติ | Black-bellied Thorntail | Ruby-throated Hummingbird |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Discosura langsdorffi | 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 | 3.2 g (0.11 oz) | 3.1 g (0.11 oz) |
| อาหาร | Nectarivore visiting diverse canopy flowers in humid Amazonian forest. Takes small arthropods in aerial hover-gleaning. | Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over … |
| จำนวนไข่ | 2 | 2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
Black-bellied Thorntail 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
Black-bellied Thorntail
Deep, hollow churring with resonant character; prolonged low buzzing sound vibrating persistently through dense foliage.
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
Black-bellied Thorntail
Found in lowland Amazonian forest from southeastern Colombia south through Ecuador and Peru to Bolivia. 100–600 m.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
สถานะการอนุรักษ์
Black-bellied Thorntail
Ruby-throated Hummingbird
How to Tell Them Apart
Black-bellied Thorntail
Red-tailed Comet: males with glittering green gorget; brilliant coppery-bronze crown; metallic green back; reddish tail; females duller
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
Black-bellied Thorntail
A tiny hummingbird (7-8 cm plus extended tail feathers) found in lowland forests from eastern Colombia through Amazonia to Bolivia and Brazil. Males have dark belly and long, wire-like outer tail feathers with racket tips. Nectarivore of forest canopy and edges.
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.