Oaxaca Hummingbird vs Allen's Hummingbird
Eupherusa cyanophrys compared with Selasphorus sasin
Side-by-Side Comparison
| Attribute | Oaxaca Hummingbird | Allen's Hummingbird |
|---|---|---|
| Scientific Name | Eupherusa cyanophrys | Selasphorus sasin |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Trochilidae | Trochilidae |
| Conservation Status | Endangered | Least Concern |
| Length | — | — |
| Wingspan | 11.7 cm (4.6 in) | 8.1 cm (3.2 in) |
| Weight | 4.725 g (0.17 oz) | 3.1500000000000004 g (0.11 oz) |
| Diet | Hovering nectarivore of lowland and montane forest, probing Heliconia and garden flowers. Supplements with 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
Oaxaca Hummingbird
Pure, sustained whistle with bell-like clarity; clear single note ringing out then slowly fading away.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Oaxaca Hummingbird
Endemic to the mountains of Oaxaca, Mexico. Classified as Endangered due to extremely small range.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
Conservation Status
Oaxaca Hummingbird
Allen's Hummingbird
About These Birds
Oaxaca Hummingbird
A medium-sized hummingbird (10-11 cm) endemic to the mountains of Oaxaca, southwestern Mexico. Green plumage with blue supercilium (eyebrow). Nectarivore of cloud forest and forest edges. Classified as Endangered due to extremely small range in the Sierra de Miahuatlán.
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.