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Side-by-Side Comparison

属性	White-eared Hummingbird	Sword-billed Hummingbird
学名	Basilinna leucotis	Ensifera ensifera
目	Caprimulgiformes	Caprimulgiformes
科	Trochilidae	Trochilidae
保全状況	Least Concern	Least Concern
体長	—	—
翼開長	10.9 cm (4.3 in)	15.3 cm (6.0 in)
体重	3.4000000000000004 g (0.12 oz)	12.75 g (0.45 oz)
食性	Nectarivore of Mexican and Guatemalan pine-oak forests, visiting flowering epiphytes. 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	—	—

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Habitat Comparison

共通生息地

🌲 Forest

White-eared Hummingbird only

None

Sword-billed Hummingbird only

🌾 Grassland

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Song & Call Comparison

White-eared Hummingbird

さえずり

Deep, resonant churring with powerful carrying quality; rich low buzzing trill audible at impressive range.

Sword-billed Hummingbird

さえずり

Thin, reedy whistle with plaintive character; soft nasal tone held briefly then gently fading in mist.

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Geographic Range & Migration

White-eared Hummingbird

Found in mountain forests from the southwestern United States to Nicaragua at 1,500-3,000 m. Resident in pine-oak forest.

Sword-billed Hummingbird

Found in Andean cloud forests from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. 1,700–3,500 m.

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保全状況

Least Concern

White-eared Hummingbird

Least Concern

Sword-billed Hummingbird

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How to Tell Them Apart

White-eared Hummingbird

羽毛

Blue-throated Goldentail: males with brilliant blue-green gorget; metallic green above; golden tail; females green above; spotted

Sword-billed Hummingbird

羽毛

Olivaceous Thornbill: males with iridescent purple gorget; metallic olive-bronze above; white underparts; females green above; spots

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About These Birds

White-eared Hummingbird

米国南西部からニカラグアにかけての山地林の標高1,500〜3,000mに生息する中型のハチドリ（9〜10cm）。大胆な白い耳縞と翡翠色の喉（雄）を持つ緑の羽毛。松-オーク林と雲霧林の蜜食者。高地の給餌器に普通に現れる。

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。

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