Brace's Emerald vs Allen's Hummingbird
Riccordia bracei 对比 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Brace's Emerald | Allen's Hummingbird |
|---|---|---|
| 学名 | Riccordia bracei | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Extinct | Least Concern |
| 体长 | — | — |
| 翼展 | — | 8.1 cm (3.2 in) |
| 体重 | 3.54 g (0.12 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Extinct emerald; was a nectarivore of Bahamian scrub, likely visiting flowering shrubs and supplementing with … | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| 产卵数 | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Brace's Emerald
Soft, melodic warbling with gentle rhythm; notes rising and falling in quiet unhurried phrase through shaded area.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Brace's Emerald
Formerly endemic to New Providence Island, Bahamas. Extinct since the late 19th century. Known from a single 1877 specimen.
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
Brace's Emerald
Allen's Hummingbird
How to Tell Them Apart
Brace's Emerald
Green-bellied Hummingbird: males with brilliant green gorget and belly; metallic green above; females green above; spotted white below
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Brace's Emerald
An extinct hummingbird formerly endemic to New Providence Island, Bahamas. Known from a single specimen collected in 1877. Green plumage. Lost to habitat destruction and possibly predation by introduced mammals. No confirmed sightings since the 19th century.
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.