Amazilia Hummingbird vs Costa's Hummingbird
Amazilis amazilia compared with Calypte costae
Side-by-Side Comparison
| Attribute | Amazilia Hummingbird | Costa's Hummingbird |
|---|---|---|
| Scientific Name | Amazilis amazilia | Calypte costae |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Trochilidae | Trochilidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | — | 8.9 cm (3.5 in) |
| Weight | 5.066666666666666 g (0.18 oz) | 3.4000000000000004 g (0.12 oz) |
| Diet | Feeds on nectar from flowering shrubs and epiphytes. Catches small insects and spiders to meet … | Nectarivore of Mojave Desert scrub, favouring desert lavender and sage. Supplements nectar with insects and … |
| Clutch Size | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Shared Habitats
Amazilia Hummingbird only
Costa's Hummingbird only
Song & Call Comparison
Amazilia Hummingbird
Buzzy, high-pitched trill with insect-like quality; rapid sustained vibration barely distinguishable from insects.
Costa's Hummingbird
Melodic, flute-like ascending scale; smooth bright notes climbing steadily in cheerful morning territorial delivery.
Geographic Range & Migration
Amazilia Hummingbird
Found in arid coastal lowlands of western Peru and Ecuador. Resident in desert scrub and river valleys.
Costa's Hummingbird
Found in arid western North America from California to Mexico. Breeds in desert scrub; some populations resident year-round.
Conservation Status
Amazilia Hummingbird
Costa's Hummingbird
How to Tell Them Apart
Amazilia Hummingbird
Coucal (Celebes): dark glossy black above; rufous wings; pale buff below; long dark tail; red eye; Sulawesi island endemic coucal
Costa's Hummingbird
Crowned Woodnymph: males with brilliant iridescent violet crown; glittering green gorget; metallic green above; females green; spotted
About These Birds
Amazilia Hummingbird
A medium-sized hummingbird (9-10 cm) found in arid coastal lowlands of western Peru and Ecuador. Green plumage with variable rusty-orange underparts. Nectarivore of desert scrub, gardens, and river valleys. Adapted to arid Pacific environments.
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.