Humboldt's Hummingbird vs Allen's Hummingbird
Chrysuronia humboldtii compared with Selasphorus sasin
Side-by-Side Comparison
| Attribute | Humboldt's Hummingbird | Allen's Hummingbird |
|---|---|---|
| Scientific Name | Chrysuronia humboldtii | Selasphorus sasin |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Trochilidae | Trochilidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | — | 8.1 cm (3.2 in) |
| Weight | 6.275 g (0.22 oz) | 3.1500000000000004 g (0.11 oz) |
| Diet | Feeds on nectar from Colombian and Venezuelan lowland flowers. Supplements with small arthropods caught near … | 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
Humboldt's Hummingbird
Melodic, descending two-note whistle; pure warm tones stepping down smoothly, given repeatedly from territory perch.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Humboldt's Hummingbird
Found in humid Pacific lowland forests of Colombia and Ecuador. Resident in Chocó 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
Humboldt's Hummingbird
Allen's Hummingbird
How to Tell Them Apart
Humboldt's Hummingbird
Black-throated Coucal: black throat; brown streaked above; rufous wings; buff below; long dark tail; red eye; black throat distinctive
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Humboldt's Hummingbird
A medium-sized hummingbird (10-11 cm) found in humid Pacific lowland forests of Colombia and Ecuador. Green plumage. Nectarivore of Chocó forest edges. Named after Alexander von Humboldt. Sometimes considered a subspecies of Sapphire-throated Hummingbird.
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.