Horned Sungem vs Allen's Hummingbird
Heliactin bilophus 比較対象 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 |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 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 … |
| 一腹卵数 | 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.
保全状況
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
ブラジル中央部のセラードに固有の壮観な小型ハチドリ（体長10〜11 cm）。雄は頭の両側から直立した角状の虹色の青紫色の羽毛の房を2本突出させる。緑白色の羽衣。セラードの花の蜜食性。単型属の唯一の種。
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.