White-browed Hermit vs Allen's Hummingbird
Phaethornis stuarti compared with Selasphorus sasin
Side-by-Side Comparison
| Attribute | White-browed Hermit | Allen's Hummingbird |
|---|---|---|
| Scientific Name | Phaethornis stuarti | Selasphorus sasin |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Trochilidae | Trochilidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 7.2 cm (2.8 in) | 8.1 cm (3.2 in) |
| Weight | 2.48 g (0.09 oz) | 3.1500000000000004 g (0.11 oz) |
| Diet | Nectarivore trap-lining Heliconia patches in humid lowland forest. Supplements with arthropods for breeding protein demands. | 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
White-browed Hermit
Deep, resonant trill with powerful carrying quality; rich vibrating sound audible at great distance in still air.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
White-browed Hermit
Endemic to Bolivia and adjacent southwestern Brazil in the Amazon basin. Found in lowland forest at 150–600 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
White-browed Hermit
Allen's Hummingbird
About These Birds
White-browed Hermit
A small hermit hummingbird (10-11 cm) found in Andean foothill forests from Peru to Bolivia at 800-1,800 m elevation. Green plumage with white eyebrow stripe and buffy underparts. Nectarivore of cloud forest undergrowth. Named after the Austrian naturalist Karl Stuart.
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.