Allen's Hummingbird vs Violet-capped Woodnymph
Selasphorus sasin 对比 Thalurania glaucopis
Side-by-Side Comparison
| 属性 | Allen's Hummingbird | Violet-capped Woodnymph |
|---|---|---|
| 学名 | Selasphorus sasin | Thalurania glaucopis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 8.1 cm (3.2 in) | 11.0 cm (4.3 in) |
| 体重 | 3.1500000000000004 g (0.11 oz) | 4.78 g (0.17 oz) |
| 食性 | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … | Nectarivore of South Brazilian forest, visiting bromeliads and Heliconia. Supplements with insects and spiders. |
| 产卵数 | 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.
Violet-capped Woodnymph
Deep, hollow churr with resonant character; prolonged buzzing sound vibrating softly through tropical canopy.
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.
Violet-capped Woodnymph
Found in the Atlantic Forest of southeastern Brazil, eastern Paraguay, and northeastern Argentina. Resident.
保护状况
Allen's Hummingbird
Violet-capped Woodnymph
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.
Violet-capped Woodnymph
A medium-sized hummingbird (10-11 cm) found in the Atlantic Forest of southeastern Brazil, eastern Paraguay, and northeastern Argentina. Males have a violet-blue crown and green body. Nectarivore of forest and forest edges. Replaced by Fork-tailed Woodnymph in Amazonia.