Slender Sheartail vs Allen's Hummingbird
Doricha enicura 比較対象 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Slender Sheartail | Allen's Hummingbird |
|---|---|---|
| 学名 | Doricha enicura | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 7.3 cm (2.9 in) | 8.1 cm (3.2 in) |
| 体重 | 2.4333333333333336 g (0.09 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Feeds on floral nectar from forest-edge blossoms, probing with its long decurved bill. Catches small … | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| 一腹卵数 | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Slender Sheartail
Thin, wavering sibilant trill; soft high buzzing with slight pulsing quality during courtship hover display.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Slender Sheartail
Endemic to the highlands of Guatemala, Honduras, and El Salvador at 1,200-2,500 m. Resident in montane scrub and forest edges.
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
Slender Sheartail
Allen's Hummingbird
How to Tell Them Apart
Slender Sheartail
Costa's Hummingbird (alt): males with brilliant violet gorget with elongated sides; metallic green above; females plain green; spotted
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Slender Sheartail
A tiny hummingbird (9-10 cm including elongated tail in males) endemic to the highlands of Guatemala, Honduras, and El Salvador at 1,200-2,500 m. Males have extremely long, slender outer tail feathers. Nectarivore of montane scrub and garden flowers.
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.