Chilean Woodstar vs Amethyst-throated Mountain-gem

Eulidia yarrellii compared with Lampornis amethystinus

Side-by-Side Comparison

Attribute Chilean Woodstar Amethyst-throated Mountain-gem
Scientific Name Eulidia yarrellii Lampornis amethystinus
Order Caprimulgiformes Caprimulgiformes
Family Trochilidae Trochilidae
Conservation Status Critically Endangered Least Concern
Length — —
Wingspan 6.6 cm (2.6 in) 13.1 cm (5.2 in)
Weight 2.38 g (0.08 oz) 5.6000000000000005 g (0.20 oz)
Diet Nectar specialist of arid Atacama valleys, visiting cacti and Nicotiana. Supplements diet with small insects … 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

None

Chilean Woodstar only

None

Amethyst-throated Mountain-gem only

Song & Call Comparison

Chilean Woodstar

Song

Buzzy, high-pitched trill with insect-like quality; sustained rapid vibration with minimal melodic content.

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

Chilean Woodstar

Endemic to the hyper-arid coast of northern Chile from Arica to Antofagasta. Critically Endangered with fewer than 400 individuals.

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

Critically Endangered

Chilean Woodstar

Least Concern

Amethyst-throated Mountain-gem

About These Birds

Chilean Woodstar

A tiny hummingbird (7-8 cm) endemic to the hyper-arid Atacama coast of northern Chile. Males have a purple throat and forked tail. Nectarivore of desert scrub and cultivated gardens. Critically Endangered with fewer than 400 individuals remaining due to habitat destruction.

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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