Chestnut-breasted Coronet vs Amethyst-throated Mountain-gem

Boissonneaua matthewsii compared with Lampornis amethystinus

Side-by-Side Comparison

Attribute Chestnut-breasted Coronet Amethyst-throated Mountain-gem
Scientific Name Boissonneaua matthewsii Lampornis amethystinus
Order Caprimulgiformes Caprimulgiformes
Family Trochilidae Trochilidae
Conservation Status Least Concern Least Concern
Length
Wingspan 14.6 cm (5.7 in) 13.1 cm (5.2 in)
Weight 7.4125000000000005 g (0.26 oz) 5.6000000000000005 g (0.20 oz)
Diet Nectarivore of Peruvian and Bolivian cloud 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 2
Population Trend

Habitat Comparison

Shared Habitats

Chestnut-breasted Coronet only

None

Amethyst-throated Mountain-gem only

None

Song & Call Comparison

Chestnut-breasted Coronet

Song

Rapid, light chips in animated sequence; bright staccato notes with buoyant quality during active foraging bouts.

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

Chestnut-breasted Coronet

Found on the eastern Andean slope from Peru south through Bolivia in cloud forest. 1,000–2,400 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

Chestnut-breasted Coronet

Least Concern

Amethyst-throated Mountain-gem

About These Birds

Chestnut-breasted Coronet

A medium-sized hummingbird (11-12 cm) found in Andean cloud forests from Peru to Bolivia at 1,500-2,800 m. Green plumage with a chestnut breast band. Nectarivore of montane forest and forest edges. Replaced by Buff-tailed Coronet north of Peru.

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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