Chestnut-breasted Coronet vs Allen's Hummingbird
Boissonneaua matthewsii compared with Selasphorus sasin
Side-by-Side Comparison
| Attribute | Chestnut-breasted Coronet | Allen's Hummingbird |
|---|---|---|
| Scientific Name | Boissonneaua matthewsii | Selasphorus sasin |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Trochilidae | Trochilidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 14.6 cm (5.7 in) | 8.1 cm (3.2 in) |
| Weight | 7.4125000000000005 g (0.26 oz) | 3.1500000000000004 g (0.11 oz) |
| Diet | Nectarivore of Peruvian and Bolivian cloud forest; forages at Ericaceae and epiphytic orchids. Takes small … | 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
Chestnut-breasted Coronet
Rapid, light chips in animated sequence; bright staccato notes with buoyant quality during active foraging bouts.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Chestnut-breasted Coronet
Found on the eastern Andean slope from Peru south through Bolivia in cloud 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
Chestnut-breasted Coronet
Allen's Hummingbird
About These Birds
Chestnut-breasted Coronet
A medium-sized hummingbird (11-12 cm) found in Andean cloud forests from Peru to Bolivia at 1,500-2,800 m. Green plumage with a chestnut breast band. Nectarivore of montane forest and forest edges. Replaced by Buff-tailed Coronet north of Peru.
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.