Velvet-browed Brilliant vs Allen's Hummingbird
Heliodoxa xanthogonys ile kıyaslandığında Selasphorus sasin
Side-by-Side Comparison
| Özellik | Velvet-browed Brilliant | Allen's Hummingbird |
|---|---|---|
| Bilimsel Ad | Heliodoxa xanthogonys | Selasphorus sasin |
| Takım | Caprimulgiformes | Caprimulgiformes |
| Familya | Trochilidae | Trochilidae |
| Koruma Durumu | Least Concern | Least Concern |
| Uzunluk | — | — |
| Kanat Açıklığı | 12,6 cm (5.0 in) | 8,1 cm (3.2 in) |
| Ağırlık | 6,833333333333333 g (0.24 oz) | 3,1500000000000004 g (0.11 oz) |
| Beslenme | Nectarivore visiting Ericaceae, Fuchsia, and other montane flowers in Andean cloud forest. Takes small insects … | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| Kuluçka Büyüklüğü | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Velvet-browed Brilliant
High, shrill screaming call with carrying quality; piercing notes audible at distance across open Andean hillsides.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Velvet-browed Brilliant
Endemic to the tepuis of Venezuela and adjacent Guyana and Brazil in high-altitude forest. 1,200–2,600 m.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
Koruma Durumu
Velvet-browed Brilliant
Allen's Hummingbird
How to Tell Them Apart
Velvet-browed Brilliant
Blue-fronted Lancebill: males with iridescent blue forehead; magenta gorget; metallic green; females green above; spotted buff below
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Velvet-browed Brilliant
A medium-sized hummingbird (12-13 cm) found in tepui highlands of southern Venezuela and adjacent Guyana. Green plumage with a velvety dark forehead. Nectarivore of tepui forest edges. A Pantepui endemic of very restricted range. Poorly studied.
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.