Mexican Sheartail vs Ruby-throated Hummingbird
Doricha eliza 비교 대상 Archilochus colubris
Side-by-Side Comparison
| 속성 | Mexican Sheartail | Ruby-throated Hummingbird |
|---|---|---|
| 학명 | Doricha eliza | Archilochus colubris |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Near Threatened | Least Concern |
| 체장 | — | 8.5 cm (3.3 in) |
| 날개 폭 | 7.7 cm (3.0 in) | 11.0 cm (4.3 in) |
| 체중 | 2.5 g (0.09 oz) | 3.1 g (0.11 oz) |
| 식성 | Nectarivore of dry scrub and coastal dunes, visiting Agave and Ipomoea flowers. Supplements with insects … | 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
Mexican Sheartail
Melodic, three-note ascending call; pure warm tones stepping upward smoothly, given clearly from tall perch.
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
Mexican Sheartail
Endemic to the Yucatán Peninsula of Mexico and Cozumel Island. Classified as Near Threatened due to habitat destruction.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
보전 상태
Mexican Sheartail
Ruby-throated Hummingbird
How to Tell Them Apart
Mexican Sheartail
Xantus's Hummingbird: males with glittering green gorget; metallic green above; rufous tail; cinnamon underparts; sexually dimorphic
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
Mexican Sheartail
8–9 cm의 소형 벌새로 멕시코 유카탄 반도·코수멜 섬 고유종. 수컷은 연장된 가늘고 긴 외부 꼬리 깃털을 가진다. 해안 관목지와 정원에서 꿀을 먹는다. 제한된 분포에서의 서식지 파괴로 준위협으로 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.