Costa's Hummingbird vs Sword-billed Hummingbird
Calypte costae से तुलना Ensifera ensifera
Side-by-Side Comparison
| विशेषता | Costa's Hummingbird | Sword-billed Hummingbird |
|---|---|---|
| वैज्ञानिक नाम | Calypte costae | Ensifera ensifera |
| गण | Caprimulgiformes | Caprimulgiformes |
| कुल | Trochilidae | Trochilidae |
| संरक्षण स्थिति | Least Concern | Least Concern |
| लंबाई | — | — |
| पंखों का फैलाव | 8.9 cm (3.5 in) | 15.3 cm (6.0 in) |
| वजन | 3.4000000000000004 g (0.12 oz) | 12.75 g (0.45 oz) |
| आहार | Nectarivore of Mojave Desert scrub, favouring desert lavender and sage. Supplements nectar with insects and … | Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects … |
| अंडों की संख्या | 2 | -- |
| Population Trend | — | — |
Habitat Comparison
साझा आवास
Costa's Hummingbird only
Sword-billed Hummingbird only
Song & Call Comparison
Costa's Hummingbird
Melodic, flute-like ascending scale; smooth bright notes climbing steadily in cheerful morning territorial delivery.
Sword-billed Hummingbird
Thin, reedy whistle with plaintive character; soft nasal tone held briefly then gently fading in mist.
Geographic Range & Migration
Costa's Hummingbird
Found in arid western North America from California to Mexico. Breeds in desert scrub; some populations resident year-round.
Sword-billed Hummingbird
Found in Andean cloud forests from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. 1,700–3,500 m.
संरक्षण स्थिति
Costa's Hummingbird
Sword-billed Hummingbird
How to Tell Them Apart
Costa's Hummingbird
Crowned Woodnymph: males with brilliant iridescent violet crown; glittering green gorget; metallic green above; females green; spotted
Sword-billed Hummingbird
Olivaceous Thornbill: males with iridescent purple gorget; metallic olive-bronze above; white underparts; females green above; spots
About These Birds
Costa's Hummingbird
A small hummingbird (8-9 cm) of arid western North America from California to Mexico. Males have a brilliant iridescent purple crown and gorget that extends along the sides of the neck. Nectarivore of desert scrub and gardens. Thrives in extreme desert heat.
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.