Empress Brilliant vs Allen's Hummingbird

Heliodoxa imperatrix compared with Selasphorus sasin

Side-by-Side Comparison

Attribute Empress Brilliant Allen's Hummingbird
Scientific Name Heliodoxa imperatrix Selasphorus sasin
Order Caprimulgiformes Caprimulgiformes
Family Trochilidae Trochilidae
Conservation Status Least Concern Least Concern
Length
Wingspan 14.6 cm (5.7 in) 8.1 cm (3.2 in)
Weight 8.8 g (0.31 oz) 3.1500000000000004 g (0.11 oz)
Diet Nectarivore of Colombian Pacific slope cloud forest; forages at Ericaceae and Heliconia. Supplements with small … Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with …
Clutch Size 1 2
Population Trend

Habitat Comparison

Shared Habitats

Empress Brilliant only

None

Allen's Hummingbird only

None

Song & Call Comparison

Empress Brilliant

Song

High, crystalline series of musical notes; clear bright sequence ascending smoothly in characteristically cheerful manner.

Allen's Hummingbird

Song

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

Geographic Range & Migration

Empress Brilliant

Found on the Pacific slope of Colombia and Ecuador in humid lowland and foothill forest. Sea level to 1,200 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

Empress Brilliant

Least Concern

Allen's Hummingbird

About These Birds

Empress Brilliant

A large hummingbird (13-14 cm) found in humid forests of western Colombia and Ecuador at 400-1,600 m. Males have an iridescent green crown and violet-blue throat. Nectarivore of Chocó forest. Named Empress for the regal appearance. Classified as Near Threatened.

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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