Xantus's Hummingbird vs Allen's Hummingbird
Basilinna xantusii compared with Selasphorus sasin
Side-by-Side Comparison
| Attribute | Xantus's Hummingbird | Allen's Hummingbird |
|---|---|---|
| Scientific Name | Basilinna xantusii | Selasphorus sasin |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Trochilidae | Trochilidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 10.2 cm (4.0 in) | 8.1 cm (3.2 in) |
| Weight | 3.525 g (0.12 oz) | 3.1500000000000004 g (0.11 oz) |
| Diet | Endemic to Baja California; feeds on nectar from desert blooms and supplements with small insects … | 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
Xantus's Hummingbird
High, crystalline twittering with bright silvery quality; rapid light notes cascading freely in aerial display.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Xantus's Hummingbird
Endemic to the cape region of Baja California Sur, Mexico. Resident in dry scrub and thorn forest.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
Conservation Status
Xantus's Hummingbird
Allen's Hummingbird
About These Birds
Xantus's Hummingbird
A medium-sized hummingbird (9-10 cm) endemic to the cape region of Baja California Sur, Mexico. Green plumage with a rufous-chestnut breast and white eye-stripe. Nectarivore of dry scrub and thorn forest. A Baja California endemic named after Hungarian naturalist John Xantus.
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.