Green-breasted Mountain-gem vs Allen's Hummingbird
Lampornis sybillae compared with Selasphorus sasin
Side-by-Side Comparison
| Attribute | Green-breasted Mountain-gem | Allen's Hummingbird |
|---|---|---|
| Scientific Name | Lampornis sybillae | Selasphorus sasin |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Trochilidae | Trochilidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 12.8 cm (5.0 in) | 8.1 cm (3.2 in) |
| Weight | 5.975 g (0.21 oz) | 3.1500000000000004 g (0.11 oz) |
| Diet | Nectarivore of Nicaraguan montane forest; visits Ericaceae and Heliconia blooms. Supplements with small arthropods. | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| Clutch Size | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Green-breasted Mountain-gem
Soft, high squeak followed by buzzy trill; brief introductory note launching into rough cascade of chips.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Green-breasted Mountain-gem
Found in cloud forest of Nicaragua and Honduras in highland forest. 1,000–2,400 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
Green-breasted Mountain-gem
Allen's Hummingbird
About These Birds
Green-breasted Mountain-gem
A medium-sized hummingbird (10-11 cm) endemic to the highlands of Honduras and Nicaragua at 1,500-2,400 m. Males have a green breast. Nectarivore of cloud forest. A rare Central American endemic restricted to the nuclear highlands. Classified as Vulnerable.
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.