Hooded Visorbearer vs Allen's Hummingbird
Augastes lumachella 对比 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Hooded Visorbearer | Allen's Hummingbird |
|---|---|---|
| 学名 | Augastes lumachella | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Near Threatened | Least Concern |
| 体长 | — | — |
| 翼展 | 12.0 cm (4.7 in) | 8.1 cm (3.2 in) |
| 体重 | 4.4 g (0.16 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Nectarivore specializing in montane campo rupestre blooms. Supplements nectar diet with small arthropods. | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| 产卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Hooded Visorbearer
Harsh, buzzy chatter with raspy edge; rough notes interspersed with sharper chips in energetic vocal display.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Hooded Visorbearer
Endemic to the campo rupestre highlands of eastern Bahia, Brazil, in the Chapada Diamantina region. 800–1,600 m.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
保护状况
Hooded Visorbearer
Allen's Hummingbird
About These Birds
Hooded Visorbearer
A small hummingbird (8-9 cm) endemic to the Chapada Diamantina highlands of Bahia, Brazil. Luminous golden-green forehead visor and dark plumage. Nectarivore of rocky campo rupestre habitats. Classified as Endangered due to extremely restricted range and habitat degradation.
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.