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.

More Birds to Explore

Explore the Nature FYI Family