Hispaniolan Emerald vs Allen's Hummingbird
Riccordia swainsonii 对比 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Hispaniolan Emerald | Allen's Hummingbird |
|---|---|---|
| 学名 | Riccordia swainsonii | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | — | 8.1 cm (3.2 in) |
| 体重 | 3.75 g (0.13 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Feeds on nectar from Hispaniolan forest flowers and garden plants. Supplements diet with small insects … | 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
Hispaniolan Emerald
Sharp, emphatic two-syllable whistle; first note high and accented, second falling softly, repeated clearly.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Hispaniolan Emerald
Endemic to Hispaniola (Dominican Republic and Haiti). Resident across the island in forests, gardens, and plantations.
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
Hispaniolan Emerald
Allen's Hummingbird
About These Birds
Hispaniolan Emerald
A medium-sized hummingbird (10-11 cm) endemic to Hispaniola (Dominican Republic and Haiti). Bright green plumage with a dark auricular patch and pale breast. Nectarivore of forests, gardens, and coffee plantations. The most widespread hummingbird on Hispaniola.
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.