Venezuelan Sylph vs Amethyst-throated Mountain-gem

Aglaiocercus berlepschi compared with Lampornis amethystinus

Side-by-Side Comparison

Attribute Venezuelan Sylph Amethyst-throated Mountain-gem
Scientific Name Aglaiocercus berlepschi Lampornis amethystinus
Order Caprimulgiformes Caprimulgiformes
Family Trochilidae Trochilidae
Conservation Status Vulnerable Least Concern
Length
Wingspan 11.9 cm (4.7 in) 13.1 cm (5.2 in)
Weight 5.0 g (0.18 oz) 5.6000000000000005 g (0.20 oz)
Diet Nectarivore of Venezuelan Andes cloud forest; visits Ericaceae and Fuchsia blooms. Takes small insects and … 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

Venezuelan Sylph only

None

Amethyst-throated Mountain-gem only

None

Song & Call Comparison

Venezuelan Sylph

Song

Rough, buzzy chatter with energetic rhythm; coarse notes delivered rapidly with distinctive raw texture near nest.

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

Venezuelan Sylph

Endemic to the coastal mountains of north-central Venezuela in cloud forest. 1,200–2,400 m. Resident.

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

Vulnerable

Venezuelan Sylph

Least Concern

Amethyst-throated Mountain-gem

About These Birds

Venezuelan Sylph

A spectacular hummingbird closely related to Long-tailed Sylph, endemic to the coastal mountains of northern Venezuela. Males have long violet-blue tail streamers. Nectarivore of cloud forest. Sometimes considered a subspecies of Long-tailed Sylph. Very limited range.

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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