Golden-crowned Emerald vs Ruby-throated Hummingbird
Cynanthus auriceps so với Archilochus colubris
Side-by-Side Comparison
| Thuộc Tính | Golden-crowned Emerald | Ruby-throated Hummingbird |
|---|---|---|
| Tên Khoa Học | Cynanthus auriceps | Archilochus colubris |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | 8,5 cm (3.3 in) |
| Chiều Dài Sải Cánh | — | 11,0 cm (4.3 in) |
| Khối Lượng | 2,2 g (0.08 oz) | 3,1 g (0.11 oz) |
| Chế Độ Ăn | Hovering nectarivore of lowland and montane forest, probing Heliconia and garden flowers. Supplements with insects … | Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over … |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Môi Trường Sống Chung
Không
Golden-crowned Emerald only
Không
Ruby-throated Hummingbird only
Ruby-throated Hummingbird
Deciduous and mixed forests, woodland edges, gardens, and parks with flowering plants. Migrates across the Gulf of Mexico.
Song & Call Comparison
Golden-crowned Emerald
Deep, resonant trill with buzzing quality; powerful churring vibration carrying impressively across open slopes.
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
Golden-crowned Emerald
Endemic to the Pacific slope of western Mexico from Sinaloa to Guerrero. Resident in tropical deciduous forest.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
Tình Trạng Bảo Tồn
Golden-crowned Emerald
Ruby-throated Hummingbird
How to Tell Them Apart
Golden-crowned Emerald
Charming Hummingbird: males with brilliant violet-blue gorget; metallic green above; white flanks; females green above; spotted below
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
Golden-crowned Emerald
A medium-sized hummingbird (9-10 cm) endemic to the Pacific slope of western Mexico from Sinaloa to Guerrero. Males have a golden crown and green body. Nectarivore of tropical deciduous and semi-arid forest. A Mexican endemic.
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.