Ruby-throated Hummingbird vs Red-billed Streamertail
Archilochus colubris เปรียบเทียบกับ Trochilus polytmus
Side-by-Side Comparison
| คุณสมบัติ | Ruby-throated Hummingbird | Red-billed Streamertail |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Archilochus colubris | Trochilus polytmus |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | 8.5 cm (3.3 in) | — |
| กว้างปีก | 11.0 cm (4.3 in) | 11.8 cm (4.6 in) |
| น้ำหนัก | 3.1 g (0.11 oz) | 4.9 g (0.17 oz) |
| อาหาร | Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over … | Visits flowering trees and epiphytes for nectar; supplements diet with small arthropods including gnats, midges, … |
| จำนวนไข่ | 2 | 2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
Ruby-throated Hummingbird only
ไม่มี
Red-billed Streamertail only
ไม่มี
Ruby-throated Hummingbird
Deciduous and mixed forests, woodland edges, gardens, and parks with flowering plants. Migrates across the Gulf of Mexico.
Song & Call Comparison
Ruby-throated Hummingbird
Soft, high-pitched chattering and twittering 'chee-dit'. Also produces a thin 'tik' call in flight. Wing beats create an audible high-pitched humming buzz during hovering.
Red-billed Streamertail
Sharp, emphatic two-note call; high accented first note followed by lower brief second, clearly projected.
Geographic Range & Migration
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
Red-billed Streamertail
Endemic to Jamaica. National bird. Resident across the island in forests, gardens, and plantations at all elevations.
สถานะการอนุรักษ์
Ruby-throated Hummingbird
Red-billed Streamertail
How to Tell Them Apart
Ruby-throated Hummingbird
Metallic green upperparts and greyish-white underparts. Males have a brilliant iridescent ruby-red gorget that appears black in poor light. Females lack the gorget.
Long, straight, thin black bill adapted for probing flowers
Red-billed Streamertail
Goliath Coucal: large; dark glossy black-brown above; rufous wings; dark streaked below; red eye; massive size; long graduated tail
About These Birds
Ruby-throated Hummingbird
The ruby-throated hummingbird is the only breeding hummingbird in eastern North America. These tiny birds beat their wings about 53 times per second and can fly backwards, sideways, and even briefly upside down. They make an extraordinary non-stop 800 km crossing of the Gulf of Mexico during migration.
Red-billed Streamertail
A spectacular hummingbird (9-10 cm body + 15-18 cm tail streamers in males) endemic to Jamaica. Males have two extremely long, black tail feathers trailing behind in flight, a red bill, and iridescent green body. Jamaica's national bird. Nectarivore of forest and gardens.