Bronzy Hermit vs Allen's Hummingbird

Glaucis aeneus compared with Selasphorus sasin

Side-by-Side Comparison

Attribute Bronzy Hermit Allen's Hummingbird
Scientific Name Glaucis aeneus Selasphorus sasin
Order Caprimulgiformes Caprimulgiformes
Family Trochilidae Trochilidae
Conservation Status Least Concern Least Concern
Length
Wingspan 10.5 cm (4.1 in) 8.1 cm (3.2 in)
Weight 4.6499999999999995 g (0.16 oz) 3.1500000000000004 g (0.11 oz)
Diet Feeds on floral nectar along a regular trap-line route; also picks small spiders and insects … 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

Bronzy Hermit only

Allen's Hummingbird only

None

Song & Call Comparison

Bronzy Hermit

Song

Deep, rumbling chatter with hollow resonance; low-pitched bursts of notes carrying surprising volume for small forest bird.

Allen's Hummingbird

Song

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

Geographic Range & Migration

Bronzy Hermit

Found from Costa Rica through Panama to western Colombia and Ecuador. Resident in lowland Pacific rainforest and shaded plantations below 600 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

Bronzy Hermit

Least Concern

Allen's Hummingbird

How to Tell Them Apart

Bronzy Hermit

Plumage

Tiny; bronze-green upperparts with golden-bronze gloss on back; cinnamon-buff underparts; pale supercilium; rufous tail with dark subterminal band; pale bill tip; Central American species with overall bronzy olive sheen on …

Allen's Hummingbird

About These Birds

Bronzy Hermit

A small hummingbird (10-11 cm) found in humid lowland forests from Honduras to Colombia. Bronzy-green plumage with rufous underparts. Visits Heliconia flowers with its curved bill. Nectarivore of forest undergrowth. An important pollinator of Neotropical forest plants.

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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