Sword-billed Hummingbird vs Chestnut-bellied Hummingbird
Ensifera ensifera เปรียบเทียบกับ Saucerottia castaneiventris
Side-by-Side Comparison
| คุณสมบัติ | Sword-billed Hummingbird | Chestnut-bellied Hummingbird |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Ensifera ensifera | Saucerottia castaneiventris |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Least Concern | Near Threatened |
| ความยาว | — | — |
| กว้างปีก | 15.3 cm (6.0 in) | — |
| น้ำหนัก | 12.75 g (0.45 oz) | 5.0 g (0.18 oz) |
| อาหาร | Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects … | Feeds on nectar from flowering shrubs and epiphytes. Catches small insects and spiders to meet … |
| จำนวนไข่ | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
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Sword-billed Hummingbird only
Chestnut-bellied Hummingbird only
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Song & Call Comparison
Sword-billed Hummingbird
Thin, reedy whistle with plaintive character; soft nasal tone held briefly then gently fading in mist.
Chestnut-bellied Hummingbird
Melodic, flute-like phrase with clear warm quality; smooth notes flowing pleasantly in quiet forest sequence.
Geographic Range & Migration
Sword-billed Hummingbird
Found in Andean cloud forests from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. 1,700–3,500 m.
Chestnut-bellied Hummingbird
Endemic to the eastern Andes of Colombia at 1,400-2,700 m. Classified as Endangered due to limited range.
สถานะการอนุรักษ์
Sword-billed Hummingbird
Chestnut-bellied Hummingbird
How to Tell Them Apart
Sword-billed Hummingbird
Olivaceous Thornbill: males with iridescent purple gorget; metallic olive-bronze above; white underparts; females green above; spots
Chestnut-bellied Hummingbird
Centropus menbeki: large; dark glossy black-brown; rich chestnut wings; long dark tail; red eye; New Guinea endemic coucal
About These Birds
Sword-billed Hummingbird
A remarkable hummingbird (14-15 cm body) with a bill as long as its body (8-10 cm), the longest bill relative to body size of any bird. Found in Andean cloud forests from Venezuela to Bolivia at 1,700-3,500 m. The extraordinarily long bill evolved to feed on deep tubular Passiflora flowers.
Chestnut-bellied Hummingbird
A medium-sized hummingbird (9-10 cm) endemic to the eastern Andes of Colombia at 1,400-2,700 m. Males have a distinctive chestnut-red belly. Green body. Nectarivore of cloud forest and forest edges. Classified as Endangered due to limited Colombian range.