Allen's Hummingbird vs Sooty Barbthroat
Selasphorus sasin verglichen mit Threnetes niger
Side-by-Side Comparison
| Merkmal | Allen's Hummingbird | Sooty Barbthroat |
|---|---|---|
| Wissenschaftlicher Name | Selasphorus sasin | Threnetes niger |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Trochilidae | Trochilidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | — |
| Flügelspannweite | 8,1 cm (3.2 in) | 11,8 cm (4.6 in) |
| Gewicht | 3,1500000000000004 g (0.11 oz) | 5,8 g (0.20 oz) |
| Ernährung | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … | Primarily nectarivore visiting tubular flowers; supplements diet with small insects and spiders for protein. |
| Gelegegröße | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Sooty Barbthroat
Melodic, descending whistle with rich timbre; smooth pure tone dropping gracefully through several semitones then fading.
Geographic Range & Migration
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
Sooty Barbthroat
Found in a restricted range in northeastern Brazil and adjacent French Guiana. Resident in coastal rainforest. Rare and locally distributed.
Erhaltungsstatus
Allen's Hummingbird
Sooty Barbthroat
How to Tell Them Apart
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
Sooty Barbthroat
Dark sooty-brown and green upperparts; sooty-dark throat and breast; belly pale grey-buff; tail dark with pale tip; Guiana region endemic; distinctly darker and sootier below than other barbthroats with heavily …
About These Birds
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.
Sooty Barbthroat
A medium-sized hummingbird (10-12 cm) found in humid lowland forests of the eastern Amazon basin and the Guianas. Dark sooty-green plumage. Nectarivore of dense forest undergrowth. One of the least known hermit hummingbirds due to its restricted range in remote forests.