Plain-capped Starthroat vs Ruby-throated Hummingbird
Heliomaster constantii เปรียบเทียบกับ Archilochus colubris
Side-by-Side Comparison
| คุณสมบัติ | Plain-capped Starthroat | Ruby-throated Hummingbird |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Heliomaster constantii | Archilochus colubris |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | 8.5 cm (3.3 in) |
| กว้างปีก | 12.5 cm (4.9 in) | 11.0 cm (4.3 in) |
| น้ำหนัก | 7.375 g (0.26 oz) | 3.1 g (0.11 oz) |
| อาหาร | Nectarivore of Mexican and Central American dry and semi-open habitats. Visits large flowers; catches insects … | Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over … |
| จำนวนไข่ | -- | 2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
Plain-capped Starthroat only
ไม่มี
Ruby-throated Hummingbird 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
Plain-capped Starthroat
High, thin twittering barely audible; delicate cascade of minute notes, poorly documented vocal repertoire.
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.
Geographic Range & Migration
Plain-capped Starthroat
Found from northwestern Mexico south through Central America to northwestern Costa Rica in dry forest. Sea level to 1,800 m.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
สถานะการอนุรักษ์
Plain-capped Starthroat
Ruby-throated Hummingbird
How to Tell Them Apart
Plain-capped Starthroat
Peruvian Sheartail (alt): males with glittering violet gorget; metallic green above; white underparts; females green above; spotted
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
About These Birds
Plain-capped Starthroat
A medium-sized hummingbird (12-13 cm) found in dry to semi-humid habitats from Mexico to Costa Rica. Grey-green plumage with a purple gorget and long bill. Nectarivore of deciduous forests, thorn scrub, and gardens. Often seen at large, nectar-rich flowers.
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.