Amazilia Hummingbird vs Andean Hillstar

Amazilis amazilia compared with Oreotrochilus estella

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Side-by-Side Comparison

Attribute Amazilia Hummingbird Andean Hillstar
Scientific Name Amazilis amazilia Oreotrochilus estella
Order Caprimulgiformes Caprimulgiformes
Family Trochilidae Trochilidae
Conservation Status Least Concern Least Concern
Length
Wingspan 14.4 cm (5.7 in)
Weight 5.066666666666666 g (0.18 oz) 8.299999999999999 g (0.29 oz)
Diet Feeds on nectar from flowering shrubs and epiphytes. Catches small insects and spiders to meet … Nectarivore of high-altitude puna and páramo; specializes in Chuquiraga and Puya flowers. Catches small insects …
Clutch Size 2 2
Population Trend
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Habitat Comparison

Shared Habitats

None

Amazilia Hummingbird only

Andean Hillstar only

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Song & Call Comparison

Amazilia Hummingbird

Song

Buzzy, high-pitched trill with insect-like quality; rapid sustained vibration barely distinguishable from insects.

Andean Hillstar

Song

High, wavering trill with trembling quality; rapid series of notes with slight pitch modulation giving vibrato effect.

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Geographic Range & Migration

Amazilia Hummingbird

Found in arid coastal lowlands of western Peru and Ecuador. Resident in desert scrub and river valleys.

Andean Hillstar

Widespread in Andean puna of southern Peru, Bolivia, and northwestern Argentina at 3,000–5,000 m. Resident.

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Conservation Status

Least Concern

Amazilia Hummingbird

Least Concern

Andean Hillstar

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How to Tell Them Apart

Amazilia Hummingbird

Plumage

Coucal (Celebes): dark glossy black above; rufous wings; pale buff below; long dark tail; red eye; Sulawesi island endemic coucal

Andean Hillstar

Plumage

Santa Marta Woodstar: tiny; males with brilliant magenta-red gorget; metallic green crown; white underparts; females green above with spots

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About These Birds

Amazilia Hummingbird

A medium-sized hummingbird (9-10 cm) found in arid coastal lowlands of western Peru and Ecuador. Green plumage with variable rusty-orange underparts. Nectarivore of desert scrub, gardens, and river valleys. Adapted to arid Pacific environments.

Andean Hillstar

A medium-sized hummingbird (12-14 cm) found in the high Andes from Peru to Argentina and Chile at 3,500-5,000 m. Green plumage with a white breast. One of the highest-living hummingbird species, entering torpor at night to survive freezing temperatures. Nectarivore of Chuquiraga and cacti.

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