Xantus's Hummingbird vs Sword-billed Hummingbird
Basilinna xantusii 对比 Ensifera ensifera
Side-by-Side Comparison
| 属性 | Xantus's Hummingbird | Sword-billed Hummingbird |
|---|---|---|
| 学名 | Basilinna xantusii | Ensifera ensifera |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 10.2 cm (4.0 in) | 15.3 cm (6.0 in) |
| 体重 | 3.525 g (0.12 oz) | 12.75 g (0.45 oz) |
| 食性 | Endemic to Baja California; feeds on nectar from desert blooms and supplements with small insects … | Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects … |
| 产卵数 | 2 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Xantus's Hummingbird
High, crystalline twittering with bright silvery quality; rapid light notes cascading freely in aerial display.
Sword-billed Hummingbird
Thin, reedy whistle with plaintive character; soft nasal tone held briefly then gently fading in mist.
Geographic Range & Migration
Xantus's Hummingbird
Endemic to the cape region of Baja California Sur, Mexico. Resident in dry scrub and thorn forest.
Sword-billed Hummingbird
Found in Andean cloud forests from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. 1,700–3,500 m.
保护状况
Xantus's Hummingbird
Sword-billed Hummingbird
How to Tell Them Apart
Xantus's Hummingbird
Great Blue Turaco: large; brilliant turquoise-blue body; yellow-red bill; red-tipped yellow crest; black-tipped blue tail; unique
Sword-billed Hummingbird
Olivaceous Thornbill: males with iridescent purple gorget; metallic olive-bronze above; white underparts; females green above; spots
About These Birds
Xantus's Hummingbird
A medium-sized hummingbird (9-10 cm) endemic to the cape region of Baja California Sur, Mexico. Green plumage with a rufous-chestnut breast and white eye-stripe. Nectarivore of dry scrub and thorn forest. A Baja California endemic named after Hungarian naturalist John Xantus.
Sword-billed Hummingbird
剑嘴蜂鸟。嘴与身体等长（8-10厘米）。栖息于安第斯云雾林。专门取食深处的西番莲花蜜。