Buff-thighed Puffleg vs Allen's Hummingbird

Haplophaedia assimilis compared with Selasphorus sasin

Side-by-Side Comparison

Attribute Buff-thighed Puffleg Allen's Hummingbird
Scientific Name Haplophaedia assimilis Selasphorus sasin
Order Caprimulgiformes Caprimulgiformes
Family Trochilidae Trochilidae
Conservation Status Least Concern Least Concern
Length — —
Wingspan 11.4 cm (4.5 in) 8.1 cm (3.2 in)
Weight 5.05 g (0.18 oz) 3.1500000000000004 g (0.11 oz)
Diet Nectarivore of Peruvian montane forest; forages at Ericaceae and bromeliads. Supplements diet with small arthropods. 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

Buff-thighed Puffleg only

None

Allen's Hummingbird only

None

Song & Call Comparison

Buff-thighed Puffleg

Song

Melodic, two-note descending call; pure warm tones stepping down smoothly, given at regular intervals from perch.

Allen's Hummingbird

Song

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

Geographic Range & Migration

Buff-thighed Puffleg

Found on the eastern Andean slope in Peru in lower montane and foothill forest. 600–2,200 m elevation.

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

Buff-thighed Puffleg

Least Concern

Allen's Hummingbird

About These Birds

Buff-thighed Puffleg

A small hummingbird (10-11 cm) found in Andean cloud forests from Peru to Bolivia at 1,000-2,500 m. Green plumage with buff-colored leg puffs. Nectarivore of montane forest undergrowth and edges. Closely related to Greenish Puffleg. An Andean foothill specialist.

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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