Allen's Hummingbird vs Peruvian Sheartail
Selasphorus sasin เปรียบเทียบกับ Thaumastura cora
Side-by-Side Comparison
| คุณสมบัติ | Allen's Hummingbird | Peruvian Sheartail |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Selasphorus sasin | Thaumastura cora |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 8.1 cm (3.2 in) | 8.1 cm (3.2 in) |
| น้ำหนัก | 3.1500000000000004 g (0.11 oz) | 2.4 g (0.08 oz) |
| อาหาร | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … | Nectarivore hovering at low-growing flowers in coastal scrub. Supplements nectar diet with tiny spiders and … |
| จำนวนไข่ | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
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ไม่มี
Allen's Hummingbird only
Peruvian Sheartail only
Song & Call Comparison
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Peruvian Sheartail
Delicate, purring trill with silvery shimmer; thin high notes given softly near Peruvian Andean flowers at altitude.
Geographic Range & Migration
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
Peruvian Sheartail
Found along the arid Pacific coast of Peru from Lima to Tacna. Resident in desert scrub and coastal gardens at low elevations.
สถานะการอนุรักษ์
Allen's Hummingbird
Peruvian Sheartail
How to Tell Them Apart
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
Peruvian Sheartail
Sparkling Violetear (alt): males with deep iridescent violet gorget; metallic green body; iridescent ear patches; females green with spots
About These Birds
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.
Peruvian Sheartail
A tiny hummingbird (7-8 cm plus elongated tail in males, total 13-14 cm) found in arid coastal Peru. Males have a deeply forked, sheartail-shaped tail with elongated outer feathers. Nectarivore of desert scrub and gardens. A Peruvian near-endemic of coastal Sechura desert habitats.