Sapphire-spangled Emerald vs Allen's Hummingbird
Chionomesa lactea 对比 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Sapphire-spangled Emerald | Allen's Hummingbird |
|---|---|---|
| 学名 | Chionomesa lactea | 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 | 4.333333333333333 g (0.15 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Feeds on floral nectar in forest understory, hovering at Heliconia and bromeliads. Supplements with spiders … | 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
Sapphire-spangled Emerald
Soft, liquid notes in gentle descending sequence; mellow flowing tones with subtle variation characteristic of species.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Sapphire-spangled Emerald
Found in eastern and southern Brazil and northeastern Argentina. Resident in Atlantic Forest edges and cerrado.
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
Sapphire-spangled Emerald
Allen's Hummingbird
About These Birds
Sapphire-spangled Emerald
乳白腹蜂鸟 (Chionomesa lactea)，体长约12厘米。上体金属绿色，下体乳白色，嘴直而略长。分布于南美洲中东部，包括巴西中部和阿根廷。以花蜜为主食。常在林缘和花园中活动。
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.