Amazilia Hummingbird vs Glow-throated Hummingbird

Amazilis amazilia compared with Selasphorus ardens

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Side-by-Side Comparison

Attribute Amazilia Hummingbird Glow-throated Hummingbird
Scientific Name Amazilis amazilia Selasphorus ardens
Order Caprimulgiformes Caprimulgiformes
Family Trochilidae Trochilidae
Conservation Status Least Concern Endangered
Length
Wingspan 8.0 cm (3.1 in)
Weight 5.066666666666666 g (0.18 oz) 3.1 g (0.11 oz)
Diet Feeds on nectar from flowering shrubs and epiphytes. Catches small insects and spiders to meet … Nectarivore of Chiriquí highlands; feeds at flowering understorey shrubs and supplements with insects and spiders.
Clutch Size 2 --
Population Trend
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Habitat Comparison

Shared Habitats

Amazilia Hummingbird only

Glow-throated Hummingbird only

None

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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.

Glow-throated Hummingbird

Song

Deep, hollow resonant churr; low-frequency buzzing sound vibrating persistently through tropical forest canopy.

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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.

Glow-throated Hummingbird

Endemic to the western highlands of Panama at 900-2,000 m in the Chiriquí region. Classified as Endangered.

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Conservation Status

Least Concern

Amazilia Hummingbird

Endangered

Glow-throated Hummingbird

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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

Glow-throated Hummingbird

Plumage

Black-billed Streamertail: males with glittering green body; elongated tail streamers; black bill; females plain green above; spotted

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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.

Glow-throated Hummingbird

A tiny hummingbird (7-8 cm) endemic to the western highlands of Panama at 900-2,000 m. Males have a glowing magenta throat. Nectarivore of cloud forest edges. Classified as Endangered due to extremely restricted range in the Chiriquí highlands.

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