Little Woodstar vs Allen's Hummingbird

Chaetocercus bombus compared with Selasphorus sasin

Side-by-Side Comparison

Attribute Little Woodstar Allen's Hummingbird
Scientific Name Chaetocercus bombus Selasphorus sasin
Order Caprimulgiformes Caprimulgiformes
Family Trochilidae Trochilidae
Conservation Status Near Threatened Least Concern
Length — —
Wingspan 5.6 cm (2.2 in) 8.1 cm (3.2 in)
Weight 6.5 g (0.23 oz) 3.1500000000000004 g (0.11 oz)
Diet One of the world's smallest birds; feeds on nectar from tiny blossoms in humid forest … Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with …
Clutch Size -- 2
Population Trend — —

Habitat Comparison

Shared Habitats

Little Woodstar only

None

Allen's Hummingbird only

None

Song & Call Comparison

Little Woodstar

Song

Harsh, scratchy buzz with coarse texture; sustained rough vibration with raspy edges carrying across scrub habitat.

Allen's Hummingbird

Song

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

Geographic Range & Migration

Little Woodstar

Found in Andean foothill forests from Colombia to Peru at 800-2,200 m. Classified as Vulnerable due to habitat loss.

Allen's Hummingbird

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

Conservation Status

Near Threatened

Little Woodstar

Least Concern

Allen's Hummingbird

About These Birds

Little Woodstar

A tiny hummingbird (7 cm) found in Andean foothill forests from Colombia to Peru at 800-2,200 m. Small even for a woodstar. Purple throat (males). Nectarivore of forest edges. Classified as Vulnerable due to habitat loss. One of the smallest hummingbirds.

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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