Bumblebee Hummingbird vs Allen's Hummingbird
Selasphorus heloisa compared with Selasphorus sasin
Side-by-Side Comparison
| Attribute | Bumblebee Hummingbird | Allen's Hummingbird |
|---|---|---|
| Scientific Name | Selasphorus heloisa | Selasphorus sasin |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Trochilidae | Trochilidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | — | 8.1 cm (3.2 in) |
| Weight | 2.35 g (0.08 oz) | 3.1500000000000004 g (0.11 oz) |
| Diet | Feeds on floral nectar in pine-oak highlands of Mexico, hovering at small tubular blooms. Gleans … | 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
Bumblebee Hummingbird
Thin, high whistle with delicate quality; soft pure note barely audible beyond close range in undergrowth.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Bumblebee Hummingbird
Endemic to the mountains of Mexico at 1,800-3,500 m elevation. Resident in pine-oak and cloud forest edges.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
Conservation Status
Bumblebee Hummingbird
Allen's Hummingbird
How to Tell Them Apart
Bumblebee Hummingbird
Steely-vented Hummingbird (alt): males with steel-blue gorget; metallic green above; steel-blue tail; females green above; spotted
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Bumblebee Hummingbird
A tiny hummingbird (7-8 cm) endemic to the mountains of Mexico at 1,800-3,500 m. Males have a magenta gorget. Named for its resemblance to a bumblebee in size. Nectarivore of pine-oak and cloud forest. One of the smallest hummingbirds in Mexico.
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.