Horned Sungem vs Allen's Hummingbird
Heliactin bilophus 对比 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Horned Sungem | Allen's Hummingbird |
|---|---|---|
| 学名 | Heliactin bilophus | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 9.6 cm (3.8 in) | 8.1 cm (3.2 in) |
| 体重 | 2.3 g (0.08 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Nectarivore of open savanna and cerrado, visiting small flowers of grasses and shrubs. Catches tiny … | 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
Horned Sungem
Melodic, rolling phrase with rich timbre; warm, musical notes tumbling loosely in pleasant sequence at midday.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Horned Sungem
Found in cerrado, caatinga, and dry open habitats across central Brazil from Maranhão to Minas Gerais and Mato Grosso. 300–1,100 m.
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
Horned Sungem
Allen's Hummingbird
How to Tell Them Apart
Horned Sungem
Green-tailed Goldenthroat: males with glittering emerald gorget and violet crown; females green above; pale buff with green-spotted flanks
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Horned Sungem
双冠蜂鸟是巴西中部特有的蜂鸟，雄鸟头部具两道彩色羽冠，极为华丽。体型小，喙短直。栖息于巴西热带稀树草原（塞拉多），以花蜜为主食。具有独特的展示行为，飞翔时上下起伏以展示头冠。
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.