Viridian Metaltail vs Ruby-throated Hummingbird
Metallura williami เปรียบเทียบกับ Archilochus colubris
Side-by-Side Comparison
| คุณสมบัติ | Viridian Metaltail | Ruby-throated Hummingbird |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Metallura williami | Archilochus colubris |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | 8.5 cm (3.3 in) |
| กว้างปีก | 11.5 cm (4.5 in) | 11.0 cm (4.3 in) |
| น้ำหนัก | 4.6 g (0.16 oz) | 3.1 g (0.11 oz) |
| อาหาร | Nectarivore of Ecuadorian and Colombian montane shrubs; visits Brachyotum and Ericaceae. Gleans tiny insects from … | 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
Viridian Metaltail only
Ruby-throated Hummingbird only
ไม่มี
Ruby-throated Hummingbird
Deciduous and mixed forests, woodland edges, gardens, and parks with flowering plants. Migrates across the Gulf of Mexico.
Song & Call Comparison
Viridian Metaltail
Sharp, emphatic chip repeated rapidly; clean staccato note with forceful attack given insistently near territory.
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
Viridian Metaltail
Found in cloud forests and páramo of Colombia and Ecuador on both Andean slopes. 2,400–4,000 m elevation.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
สถานะการอนุรักษ์
Viridian Metaltail
Ruby-throated Hummingbird
How to Tell Them Apart
Viridian Metaltail
Blue-throated Mountain-gem: tiny; males with brilliant blue gorget; metallic green above; white underparts; females green above; spots
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
Viridian Metaltail
A small hummingbird (9-10 cm) found in Andean cloud forests from Colombia to Ecuador at 2,000-3,500 m. Males have a glittering green tail. Nectarivore of montane forest edges and flowering shrubs. Named after the British naturalist M.C. William.
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.