{# ════════════════════════════════════════════════════════════════════════ Side-by-side Comparison Table ════════════════════════════════════════════════════════════════════════ #}

Side-by-Side Comparison

属性	Olivaceous Thornbill	Sword-billed Hummingbird
学名	Chalcostigma olivaceum	Ensifera ensifera
目	Caprimulgiformes	Caprimulgiformes
科	Trochilidae	Trochilidae
保护状况	Least Concern	Least Concern
体长	—	—
翼展	16.3 cm (6.4 in)	15.3 cm (6.0 in)
体重	7.3999999999999995 g (0.26 oz)	12.75 g (0.45 oz)
食性	Nectarivore of high Bolivian and Peruvian páramo; short bill accesses small open flowers. Gleans insects …	Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects …
产卵数	2	--
Population Trend	—	—

{# ════════════════════════════════════════════════════════════════════════ Visual Size Comparison ════════════════════════════════════════════════════════════════════════ #} {# ════════════════════════════════════════════════════════════════════════ Habitat Comparison ════════════════════════════════════════════════════════════════════════ #}

Habitat Comparison

共同栖息地

🌲 Forest 🌾 Grassland

Olivaceous Thornbill only

无

Sword-billed Hummingbird only

无

{# ════════════════════════════════════════════════════════════════════════ Song & Call Comparison ════════════════════════════════════════════════════════════════════════ #}

Song & Call Comparison

Olivaceous Thornbill

鸣唱

Buzzy, high-frequency trill with insect-like quality; sustained continuous vibration with rapid amplitude modulation.

Sword-billed Hummingbird

鸣唱

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

{# ════════════════════════════════════════════════════════════════════════ Geographic Range & Migration ════════════════════════════════════════════════════════════════════════ #}

Geographic Range & Migration

Olivaceous Thornbill

Widespread in high Andean puna grassland from Peru to Bolivia and northwestern Argentina. 3,200–4,800 m.

Sword-billed Hummingbird

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

{# ════════════════════════════════════════════════════════════════════════ Conservation Status Comparison ════════════════════════════════════════════════════════════════════════ #}

保护状况

Least Concern

Olivaceous Thornbill

Least Concern

Sword-billed Hummingbird

{# ════════════════════════════════════════════════════════════════════════ Identification Tips — How to Tell Them Apart ════════════════════════════════════════════════════════════════════════ #}

How to Tell Them Apart

Olivaceous Thornbill

羽毛

Blue-tufted Starthroat: males with iridescent blue-green gorget; metallic green above; white pectoral tufts; females green above; spots

Sword-billed Hummingbird

羽毛

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

{# ════════════════════════════════════════════════════════════════════════ About Each Bird (Descriptions) ════════════════════════════════════════════════════════════════════════ #}

About These Birds

Olivaceous Thornbill

橄榄金刚尾蜂鸟 (Chalcostigma olivaceum)，体长约12厘米。体羽橄榄绿色，喉部颜色较暗，尾长而分叉。分布于秘鲁和玻利维亚安第斯山脉的高海拔草甸。以花蜜为食，在多风的高山环境中悬停采蜜。

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。

{# ════════════════════════════════════════════════════════════════════════ Related Comparisons ════════════════════════════════════════════════════════════════════════ #} {# ════════════════════════════════════════════════════════════════════════ More Birds in Family ════════════════════════════════════════════════════════════════════════ #}

More Birds to Explore

More from Trochilidae

Ruby-throated Hummingbird Archilochus colubris Purple-throated Carib Eulampis jugularis Horned Sungem Heliactin bilophus Black-eared Fairy Heliothryx auritus All Trochilidae birds →

Explore the Nature FYI Family

🧬 SpeciesFYI

Species & Taxonomy

🦕 DinoFYI

6,000+ Dinosaurs

🐟 FishFYI

Fish & Marine Life

🌿 PlantFYI

379,000+ Plants