Allen's Hummingbird vs Tumbes Hummingbird
Selasphorus sasin compared with Thaumasius baeri
Side-by-Side Comparison
| Attribute | Allen's Hummingbird | Tumbes Hummingbird |
|---|---|---|
| Scientific Name | Selasphorus sasin | Thaumasius baeri |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Trochilidae | Trochilidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 8.1 cm (3.2 in) | — |
| Weight | 3.1500000000000004 g (0.11 oz) | 4.5249999999999995 g (0.16 oz) |
| Diet | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … | Feeds on floral nectar in forest understory, hovering at Heliconia and bromeliads. Supplements with spiders … |
| Clutch Size | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Tumbes Hummingbird
Deep, resonant churring trill with powerful bass; low buzzing sound vibrating impressively in open forest.
Geographic Range & Migration
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
Tumbes Hummingbird
Found in arid Tumbesian scrub of western Peru and southwestern Ecuador. Resident in dry forest and coastal scrub.
Conservation Status
Allen's Hummingbird
Tumbes Hummingbird
About These Birds
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.
Tumbes Hummingbird
A medium-sized hummingbird (10-11 cm) found in arid Tumbesian scrub of western Peru and southwestern Ecuador. Green plumage with buff underparts. Nectarivore of dry forest and scrub. Named after the collector Karl Ernst von Baer. An arid-zone specialist.