Buff-bellied Hummingbird vs Sword-billed Hummingbird
Amazilia yucatanensis 比較対象 Ensifera ensifera
Side-by-Side Comparison
| 属性 | Buff-bellied Hummingbird | Sword-billed Hummingbird |
|---|---|---|
| 学名 | Amazilia yucatanensis | Ensifera ensifera |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 11.0 cm (4.3 in) | 15.3 cm (6.0 in) |
| 体重 | 4.175 g (0.15 oz) | 12.75 g (0.45 oz) |
| 食性 | Feeds on nectar from Yucatán flowering trees and garden plants; supplements with insects and spiders … | Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects … |
| 一腹卵数 | 2 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Buff-bellied Hummingbird
Thin, sibilant twittering with airy silvery quality; high light notes cascading softly near flowers.
Sword-billed Hummingbird
Thin, reedy whistle with plaintive character; soft nasal tone held briefly then gently fading in mist.
Geographic Range & Migration
Buff-bellied Hummingbird
Found from southern Texas through eastern Mexico to Belize and Guatemala. Resident in Gulf Coast lowlands.
Sword-billed Hummingbird
Found in Andean cloud forests from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. 1,700–3,500 m.
保全状況
Buff-bellied Hummingbird
Sword-billed Hummingbird
How to Tell Them Apart
Buff-bellied Hummingbird
Steere's Coucal: dark brown above with iridescent gloss; rufous wings; pale below; long dark tail; red eye; Philippine island species
Sword-billed Hummingbird
Olivaceous Thornbill: males with iridescent purple gorget; metallic olive-bronze above; white underparts; females green above; spots
About These Birds
Buff-bellied Hummingbird
A medium-sized hummingbird (10-11 cm) found from southern Texas through eastern Mexico to Belize and Guatemala. Green upperparts, buff-orange belly, and red bill with dark tip. Nectarivore of gardens, citrus groves, and forest edges. Common at Texas Gulf Coast feeders.
Sword-billed Hummingbird
アンデスの雲霧林に生息するハチドリで、体と同じ長さの嘴を持つ。自然界で嘴が最も長い鳥の一つ。