Emerald-bellied Puffleg vs Amethyst-throated Mountain-gem

Eriocnemis aline compared with Lampornis amethystinus

Side-by-Side Comparison

Attribute Emerald-bellied Puffleg Amethyst-throated Mountain-gem
Scientific Name Eriocnemis aline Lampornis amethystinus
Order Caprimulgiformes Caprimulgiformes
Family Trochilidae Trochilidae
Conservation Status Least Concern Least Concern
Length
Wingspan 9.9 cm (3.9 in) 13.1 cm (5.2 in)
Weight 3.75 g (0.13 oz) 5.6000000000000005 g (0.20 oz)
Diet Nectarivore of Peruvian and Bolivian montane forest; forages at Ericaceae and epiphytic orchids. Takes small … Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods.
Clutch Size -- 2
Population Trend

Habitat Comparison

Shared Habitats

Emerald-bellied Puffleg only

None

Amethyst-throated Mountain-gem only

None

Song & Call Comparison

Emerald-bellied Puffleg

Song

Rapid, light twittering cascade; high airy notes tumbling quickly in animated sequence during competitive interaction.

Amethyst-throated Mountain-gem

Song

Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.

Geographic Range & Migration

Emerald-bellied Puffleg

Found on the eastern Andean slope from Peru to Bolivia in lower montane cloud forest at 900–2,200 m.

Amethyst-throated Mountain-gem

Found in montane forest from Mexico south through Guatemala and Honduras to El Salvador. 1,000–3,200 m.

Conservation Status

Least Concern

Emerald-bellied Puffleg

Least Concern

Amethyst-throated Mountain-gem

About These Birds

Emerald-bellied Puffleg

A small hummingbird (10-11 cm) found in Andean cloud forests from Venezuela to Bolivia at 2,000-3,200 m. Green plumage with emerald-green belly and white leg puffs. Nectarivore of montane forest and forest edges. A widespread Andean cloud forest species.

Amethyst-throated Mountain-gem

A medium-sized hummingbird (11-12 cm) found in mountain forests from Mexico to Honduras at 1,000-3,000 m. Males have an amethyst-purple throat. Nectarivore of pine-oak and cloud forest. Commonly visits feeders in Mexican highland gardens.

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