Sombre Hummingbird vs Allen's Hummingbird

Eupetomena cirrochloris compared with Selasphorus sasin

Side-by-Side Comparison

Attribute Sombre Hummingbird Allen's Hummingbird
Scientific Name Eupetomena cirrochloris Selasphorus sasin
Order Caprimulgiformes Caprimulgiformes
Family Trochilidae Trochilidae
Conservation Status Least Concern Least Concern
Length
Wingspan 8.1 cm (3.2 in)
Weight 8.05 g (0.28 oz) 3.1500000000000004 g (0.11 oz)
Diet Nectarivore specialising in tubular blossoms; supplements the floral nectar diet with tiny insects and spiders … 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

Sombre Hummingbird only

None

Allen's Hummingbird only

None

Song & Call Comparison

Sombre Hummingbird

Song

Harsh, scratchy buzz with coarse mechanical quality; sustained rough vibration with dry rattling character.

Allen's Hummingbird

Song

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

Geographic Range & Migration

Sombre Hummingbird

Endemic to the Atlantic Forest of southeastern Brazil. Resident in forest and forest edges.

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

Sombre Hummingbird

Least Concern

Allen's Hummingbird

About These Birds

Sombre Hummingbird

A medium-sized hummingbird (11-12 cm) endemic to the Atlantic Forest of southeastern Brazil. Dull olive-green plumage. Nectarivore of forest and forest edges. One of the more plainly colored Brazilian hummingbirds. Often seen in shaded forest undergrowth.

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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