Slender Sheartail vs Allen's Hummingbird
Doricha enicura ile kıyaslandığında Selasphorus sasin
Side-by-Side Comparison
| Özellik | Slender Sheartail | Allen's Hummingbird |
|---|---|---|
| Bilimsel Ad | Doricha enicura | Selasphorus sasin |
| Takım | Caprimulgiformes | Caprimulgiformes |
| Familya | Trochilidae | Trochilidae |
| Koruma Durumu | Least Concern | Least Concern |
| Uzunluk | — | — |
| Kanat Açıklığı | 7,3 cm (2.9 in) | 8,1 cm (3.2 in) |
| Ağırlık | 2,4333333333333336 g (0.09 oz) | 3,1500000000000004 g (0.11 oz) |
| Beslenme | 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 … |
| Kuluçka Büyüklüğü | -- | 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.
Koruma Durumu
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.