Green Hermit vs Allen's Hummingbird

Phaethornis guy compared with Selasphorus sasin

Side-by-Side Comparison

Attribute Green Hermit Allen's Hummingbird
Scientific Name Phaethornis guy Selasphorus sasin
Order Caprimulgiformes Caprimulgiformes
Family Trochilidae Trochilidae
Conservation Status Least Concern Least Concern
Length
Wingspan 11.8 cm (4.6 in) 8.1 cm (3.2 in)
Weight 5.416666666666667 g (0.19 oz) 3.1500000000000004 g (0.11 oz)
Diet Nectarivore trap-lining Heliconia patches in humid lowland forest. Supplements with arthropods for breeding protein demands. 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

Green Hermit only

None

Allen's Hummingbird only

None

Song & Call Comparison

Green Hermit

Song

Harsh, screaming trill with urgent intensity; loud, rough notes escalating quickly during territorial disputes near flowers.

Allen's Hummingbird

Song

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

Geographic Range & Migration

Green Hermit

Found in humid foothill forests from Trinidad and Costa Rica south through Colombia, Venezuela, and Ecuador to Bolivia. 200–1,800 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

Green Hermit

Least Concern

Allen's Hummingbird

About These Birds

Green Hermit

A large hermit hummingbird (15-17 cm) found in humid montane forests from Central America to Peru at 400-2,000 m elevation. Brilliant green plumage with dark face mask and long, white-tipped tail. Nectarivore of forest undergrowth, visiting Heliconia and Passiflora flowers.

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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