Cozumel Emerald vs Ruby-throated Hummingbird
Cynanthus forficatus 비교 대상 Archilochus colubris
Side-by-Side Comparison
| 속성 | Cozumel Emerald | Ruby-throated Hummingbird |
|---|---|---|
| 학명 | Cynanthus forficatus | Archilochus colubris |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | 8.5 cm (3.3 in) |
| 날개 폭 | — | 11.0 cm (4.3 in) |
| 체중 | 2.5 g (0.09 oz) | 3.1 g (0.11 oz) |
| 식성 | Nectarivore specialising in tubular blossoms; supplements the floral nectar diet with tiny insects and spiders … | Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over … |
| 산란 수 | 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
Cozumel Emerald
Soft, high-pitched twittering barely audible; delicate minute notes cascading gently near flowering trees.
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
Cozumel Emerald
Endemic to Cozumel Island off the Yucatán Peninsula, Mexico. Classified as Vulnerable due to its tiny island range.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
보전 상태
Cozumel Emerald
Ruby-throated Hummingbird
How to Tell Them Apart
Cozumel Emerald
Edward's Hummingbird: males with iridescent blue gorget; metallic green above; white underparts; 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
Cozumel Emerald
9–10 cm의 중형 벌새로 멕시코 유카탄 반도 코수멜 섬 고유종. 갈라진 꼬리를 가진 녹색 깃털. 섬의 열대림과 정원에서 꿀을 먹는다. 매우 분포 제한적인 섬 고유종. 취약종으로 분류.
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.