Buff-tailed Sicklebill vs Allen's Hummingbird
Eutoxeres condamini 对比 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Buff-tailed Sicklebill | Allen's Hummingbird |
|---|---|---|
| 学名 | Eutoxeres condamini | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 13.7 cm (5.4 in) | 8.1 cm (3.2 in) |
| 体重 | 9.98 g (0.35 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Nectar and arthropod feeder; hovers to extract nectar from pendant flowers and snatches small insects … | 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
Buff-tailed Sicklebill
Sharp, scratchy chip note repeated rapidly; dry staccato delivery with rough texture, audible during competitive interactions.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Buff-tailed Sicklebill
Found in the eastern Andes from Colombia and Ecuador south to Bolivia at 400–1,500 m. Resident in forest undergrowth at Heliconia flowers.
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
Buff-tailed Sicklebill
Allen's Hummingbird
How to Tell Them Apart
Buff-tailed Sicklebill
Green-bronze upperparts; buff and dark brown heavily streaked underparts; buff-tipped tail feathers; strongly sickle-shaped curved bill; sexes similar; buff tail tips distinguish from White-tipped Sicklebill; Andean foothills specialist.
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Buff-tailed Sicklebill
黄尾镰嘴蜂鸟，体长12-14厘米。嘴强烈向下弯曲。栖息于哥伦比亚至玻利维亚的安第斯山麓森林。
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.