Gray's Hummingbird vs Allen's Hummingbird
Chrysuronia grayi compared with Selasphorus sasin
Side-by-Side Comparison
| Attribute | Gray's Hummingbird | Allen's Hummingbird |
|---|---|---|
| Scientific Name | Chrysuronia grayi | Selasphorus sasin |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Trochilidae | Trochilidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | — | 8.1 cm (3.2 in) |
| Weight | 5.6499999999999995 g (0.20 oz) | 3.1500000000000004 g (0.11 oz) |
| Diet | Hovering nectarivore of lowland and montane forest, probing Heliconia and garden flowers. Supplements with insects … | 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
Gray's Hummingbird
Sharp, emphatic chip followed by short buzzy trill; clean staccato onset launching into brief rough cascade.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Gray's Hummingbird
Found in western Ecuador. Resident in lowland and foothill forest edges. Limited ecological data available.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
Conservation Status
Gray's Hummingbird
Allen's Hummingbird
About These Birds
Gray's Hummingbird
A medium-sized hummingbird found in western Ecuador. Green plumage. Nectarivore of lowland and foothill forest edges. Named after George Robert Gray. Sometimes treated as a subspecies. Limited ecological data available.
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.