Tolima Blossomcrown vs Allen's Hummingbird

Anthocephala berlepschi compared with Selasphorus sasin

Side-by-Side Comparison

Attribute Tolima Blossomcrown Allen's Hummingbird
Scientific Name Anthocephala berlepschi Selasphorus sasin
Order Caprimulgiformes Caprimulgiformes
Family Trochilidae Trochilidae
Conservation Status Vulnerable Least Concern
Length
Wingspan 10.3 cm (4.1 in) 8.1 cm (3.2 in)
Weight 3.45 g (0.12 oz) 3.1500000000000004 g (0.11 oz)
Diet Feeds on nectar from Andean flowers in Colombia; supplements with insects and spiders foraged near … Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with …
Clutch Size -- 2
Population Trend

Habitat Comparison

Shared Habitats

Tolima Blossomcrown only

None

Allen's Hummingbird only

None

Song & Call Comparison

Tolima Blossomcrown

Song

Sharp, emphatic rattle with percussive onset; rapid dry notes erupting suddenly in brief forceful burst.

Allen's Hummingbird

Song

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

Geographic Range & Migration

Tolima Blossomcrown

Endemic to the Central Andes of Colombia at 1,600-2,400 m. Classified as Critically Endangered due to tiny range.

Allen's Hummingbird

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

Conservation Status

Vulnerable

Tolima Blossomcrown

Least Concern

Allen's Hummingbird

About These Birds

Tolima Blossomcrown

A small hummingbird (9-10 cm) endemic to the Central Andes of Colombia at 1,600-2,400 m. Males have a rufous crown. Nectarivore of cloud forest and forest edges. Recently split from Santa Marta Blossomcrown. Classified as Critically Endangered.

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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