Chilean Woodstar vs Allen's Hummingbird
Eulidia yarrellii compared with Selasphorus sasin
Side-by-Side Comparison
| Attribute | Chilean Woodstar | Allen's Hummingbird |
|---|---|---|
| Scientific Name | Eulidia yarrellii | Selasphorus sasin |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Trochilidae | Trochilidae |
| Conservation Status | Critically Endangered | Least Concern |
| Length | — | — |
| Wingspan | 6.6 cm (2.6 in) | 8.1 cm (3.2 in) |
| Weight | 2.38 g (0.08 oz) | 3.1500000000000004 g (0.11 oz) |
| Diet | Nectar specialist of arid Atacama valleys, visiting cacti and Nicotiana. Supplements diet with small 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
Chilean Woodstar
Buzzy, high-pitched trill with insect-like quality; sustained rapid vibration with minimal melodic content.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Chilean Woodstar
Endemic to the hyper-arid coast of northern Chile from Arica to Antofagasta. Critically Endangered with fewer than 400 individuals.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
Conservation Status
Chilean Woodstar
Allen's Hummingbird
How to Tell Them Apart
Chilean Woodstar
Slender Sheartail: males with glittering violet gorget; metallic green above; elongated outer tail; females green above; spotted below
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Chilean Woodstar
A tiny hummingbird (7-8 cm) endemic to the hyper-arid Atacama coast of northern Chile. Males have a purple throat and forked tail. Nectarivore of desert scrub and cultivated gardens. Critically Endangered with fewer than 400 individuals remaining due to habitat destruction.
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.