Glittering-bellied Emerald vs Allen's Hummingbird
Chlorostilbon lucidus compared with Selasphorus sasin
Side-by-Side Comparison
| Attribute | Glittering-bellied Emerald | Allen's Hummingbird |
|---|---|---|
| Scientific Name | Chlorostilbon lucidus | Selasphorus sasin |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Trochilidae | Trochilidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 9.9 cm (3.9 in) | 8.1 cm (3.2 in) |
| Weight | 3.6666666666666665 g (0.13 oz) | 3.1500000000000004 g (0.11 oz) |
| Diet | Widespread Amazonian nectarivore visiting diverse lowland flowers. Supplements with insects and spiders foraged from canopy. | 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
Glittering-bellied Emerald
Soft, liquid notes in gentle flowing phrase; mellow tones with subtle melodic variation in forest shade.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Glittering-bellied Emerald
Found from eastern Brazil through Uruguay to Argentina and Paraguay. Resident in gardens, parks, and 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
Glittering-bellied Emerald
Allen's Hummingbird
About These Birds
Glittering-bellied Emerald
A small hummingbird (9-10 cm) found from eastern Brazil through Uruguay to Argentina and Paraguay. Bright green plumage with a glittering green belly. Nectarivore of gardens, parks, and forest edges. One of the most common garden hummingbirds in southeastern South America.
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.