Green-bellied Hummingbird vs Allen's Hummingbird
Saucerottia viridigaster compared with Selasphorus sasin
Side-by-Side Comparison
| Attribute | Green-bellied Hummingbird | Allen's Hummingbird |
|---|---|---|
| Scientific Name | Saucerottia viridigaster | Selasphorus sasin |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Trochilidae | Trochilidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | — | 8.1 cm (3.2 in) |
| Weight | 4.366666666666666 g (0.15 oz) | 3.1500000000000004 g (0.11 oz) |
| Diet | Nectarivore of Andean foothills in Colombia and Venezuela; feeds at bromeliads and supplements with arthropods. | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| Clutch Size | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Green-bellied Hummingbird
Rough, grating chatter with coarse texture; harsh series of notes delivered emphatically during territorial encounter.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Green-bellied Hummingbird
Found in Andean cloud forests from Colombia to Venezuela at 500-2,000 m. Resident in montane forest edges.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
Conservation Status
Green-bellied Hummingbird
Allen's Hummingbird
About These Birds
Green-bellied Hummingbird
A medium-sized hummingbird (9-10 cm) found in Andean cloud forests from Colombia to Venezuela at 500-2,000 m. Green plumage with green belly. Nectarivore of montane forest edges and gardens. Taxonomy complex with several subspecies.
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.