Rainbow Starfrontlet vs Amethyst-throated Mountain-gem

Coeligena iris compared with Lampornis amethystinus

Side-by-Side Comparison

Attribute Rainbow Starfrontlet Amethyst-throated Mountain-gem
Scientific Name Coeligena iris Lampornis amethystinus
Order Caprimulgiformes Caprimulgiformes
Family Trochilidae Trochilidae
Conservation Status Least Concern Least Concern
Length — —
Wingspan 16.0 cm (6.3 in) 13.1 cm (5.2 in)
Weight 7.266666666666667 g (0.26 oz) 5.6000000000000005 g (0.20 oz)
Diet Nectarivore of Ecuadorian and Peruvian cloud forest; forages at Ericaceae and mossy shrub flowers. Takes … 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

Rainbow Starfrontlet only

None

Amethyst-throated Mountain-gem only

None

Song & Call Comparison

Rainbow Starfrontlet

Song

Thin, sibilant trill sustained briefly; continuous high-frequency vibration then silence, barely perceptible in habitat.

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

Rainbow Starfrontlet

Found in cloud forests of southern Ecuador and northern Peru at 1,800–3,200 m elevation.

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

Rainbow Starfrontlet

Least Concern

Amethyst-throated Mountain-gem

About These Birds

Rainbow Starfrontlet

A medium-sized hummingbird (13-14 cm) found in the Andes of Peru and Ecuador at 1,800-3,200 m. Males display rainbow-like iridescence on the forehead, flashing different colors as light angle changes. Nectarivore of montane forest and scrub.

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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