White-chested Emerald vs Allen's Hummingbird
Chrysuronia brevirostris 比較対象 Selasphorus sasin
Side-by-Side Comparison
| 属性 | White-chested Emerald | Allen's Hummingbird |
|---|---|---|
| 学名 | Chrysuronia brevirostris | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | — | 8.1 cm (3.2 in) |
| 体重 | 4.25 g (0.15 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Nectarivore specialising in tubular blossoms; supplements the floral nectar diet with tiny insects and spiders … | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| 一腹卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White-chested Emerald
Thin, reedy whistle with plaintive nasal quality; soft tone held briefly then gently fading in rain forest.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
White-chested Emerald
Found in humid forests from the Guianas through northern Amazonia to eastern Venezuela. Resident in lowland forest.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
保全状況
White-chested Emerald
Allen's Hummingbird
How to Tell Them Apart
White-chested Emerald
Reunion Coucal: dark glossy black above; rufous wings; pale below; long dark tail; red eye; island endemic; similar to related species
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
White-chested Emerald
A medium-sized hummingbird (9-10 cm) found in humid forests from the Guianas through northern Amazonia to eastern Venezuela. White breast, green plumage. Short bill. Nectarivore of forest edges, savanna, and gardens.
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.