Allen's Hummingbird vs Violet-chested Hummingbird
Selasphorus sasin เปรียบเทียบกับ Sternoclyta cyanopectus
Side-by-Side Comparison
| คุณสมบัติ | Allen's Hummingbird | Violet-chested Hummingbird |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Selasphorus sasin | Sternoclyta cyanopectus |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 8.1 cm (3.2 in) | 14.0 cm (5.5 in) |
| น้ำหนัก | 3.1500000000000004 g (0.11 oz) | 7.816666666666667 g (0.28 oz) |
| อาหาร | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … | Nectarivore of Venezuelan cloud forest; visits Ericaceae and large epiphyte flowers. Supplements with small arthropods. |
| จำนวนไข่ | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
Allen's Hummingbird only
ไม่มี
Violet-chested Hummingbird only
ไม่มี
Song & Call Comparison
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Violet-chested Hummingbird
Deep, resonant churring trill; prolonged buzzing sound carrying well across Andean scrub habitat at low frequency.
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.
Violet-chested Hummingbird
Found in humid montane forest of the coastal Cordillera and tepuis of Venezuela at 1,000–2,200 m elevation.
สถานะการอนุรักษ์
Allen's Hummingbird
Violet-chested Hummingbird
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
Violet-chested Hummingbird
White-bellied Woodstar (alt): males with glittering purple gorget; metallic green above; white underparts; females green above; 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.
Violet-chested Hummingbird
A large hummingbird (12-13 cm) endemic to the coastal mountains of northern Venezuela at 900-2,500 m. Males have a striking violet-blue breast. Nectarivore of montane forest and coffee plantations. A range-restricted Venezuelan endemic.