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Side-by-Side Comparison

属性	Mexican Sheartail	Sword-billed Hummingbird
学名	Doricha eliza	Ensifera ensifera
目	Caprimulgiformes	Caprimulgiformes
科	Trochilidae	Trochilidae
保护状况	Near Threatened	Least Concern
体长	—	—
翼展	7.7 cm (3.0 in)	15.3 cm (6.0 in)
体重	2.5 g (0.09 oz)	12.75 g (0.45 oz)
食性	Nectarivore of dry scrub and coastal dunes, visiting Agave and Ipomoea flowers. Supplements with insects …	Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects …
产卵数	2	--
Population Trend	—	—

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Habitat Comparison

共同栖息地

无

Mexican Sheartail only

🌿 Wetland

Sword-billed Hummingbird only

🌲 Forest 🌾 Grassland

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Song & Call Comparison

Mexican Sheartail

鸣唱

Melodic, three-note ascending call; pure warm tones stepping upward smoothly, given clearly from tall perch.

Sword-billed Hummingbird

鸣唱

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

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Geographic Range & Migration

Mexican Sheartail

Endemic to the Yucatán Peninsula of Mexico and Cozumel Island. Classified as Near Threatened due to habitat destruction.

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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保护状况

Near Threatened

Mexican Sheartail

Least Concern

Sword-billed Hummingbird

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How to Tell Them Apart

Mexican Sheartail

羽毛

Xantus's Hummingbird: males with glittering green gorget; metallic green above; rufous tail; cinnamon underparts; sexually dimorphic

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

Mexican Sheartail

A tiny hummingbird (8-9 cm) endemic to the Yucatán Peninsula of Mexico and Cozumel Island. Males have elongated, slender outer tail feathers. Nectarivore of coastal scrub and gardens. Classified as Near Threatened due to habitat destruction in its limited range.

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。

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