Blue-throated Mountain-gem vs Allen's Hummingbird

Lampornis clemenciae compared with Selasphorus sasin

Side-by-Side Comparison

Attribute Blue-throated Mountain-gem Allen's Hummingbird
Scientific Name Lampornis clemenciae Selasphorus sasin
Order Caprimulgiformes Caprimulgiformes
Family Trochilidae Trochilidae
Conservation Status Least Concern Least Concern
Length
Wingspan 14.7 cm (5.8 in) 8.1 cm (3.2 in)
Weight 7.25 g (0.26 oz) 3.1500000000000004 g (0.11 oz)
Diet Nectarivore of US and Mexican highland forest; visits diverse flowers at medium to high elevation. … Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with …
Clutch Size 2 2
Population Trend

Habitat Comparison

Shared Habitats

Blue-throated Mountain-gem only

None

Allen's Hummingbird only

None

Song & Call Comparison

Blue-throated Mountain-gem

Song

Rough, nasal chatter with emphatic delivery; series of coarse buzzy notes audible from considerable distance.

Allen's Hummingbird

Song

Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.

Geographic Range & Migration

Blue-throated Mountain-gem

Found from the mountains of southern Arizona south through Mexico to Honduras in pine-oak forest. 1,400–3,500 m.

Allen's Hummingbird

Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.

Conservation Status

Least Concern

Blue-throated Mountain-gem

Least Concern

Allen's Hummingbird

About These Birds

Blue-throated Mountain-gem

A large hummingbird (12-13 cm) found in mountain canyons of the southwestern United States and Mexico. Males have a brilliant blue throat gorget. The largest hummingbird breeding in the US. Nectarivore of mountain meadows and garden feeders. Known for its loud, squeaky call.

Allen's Hummingbird

A small hummingbird (8-9 cm) breeding along the Pacific coast from Oregon to southern California. Males have an orange-red throat and rufous flanks. Closely related to Rufous Hummingbird. Partial migrant; some populations resident on Channel Islands. Named after Thomas Allen.

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