Black-bellied Hummingbird vs Ruby-throated Hummingbird

Eupherusa nigriventris compared with Archilochus colubris

Side-by-Side Comparison

Attribute Black-bellied Hummingbird Ruby-throated Hummingbird
Scientific Name Eupherusa nigriventris Archilochus colubris
Order Caprimulgiformes Caprimulgiformes
Family Trochilidae Trochilidae
Conservation Status Least Concern Least Concern
Length 8.5 cm (3.3 in)
Wingspan 9.4 cm (3.7 in) 11.0 cm (4.3 in)
Weight 3.3200000000000003 g (0.12 oz) 3.1 g (0.11 oz)
Diet Feeds on nectar from diverse forest flowers, hovering briefly at each bloom. Takes small insects … Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over …
Clutch Size 2 2
Population Trend

Size Comparison

Body Length
Black-bellied Hummingbird
Ruby-throated Hummingbird 8.5 cm
Wingspan
Black-bellied Hummingbird 9.4 cm
Ruby-throated Hummingbird 11.0 cm
Weight
Black-bellied Hummingbird 3.3200000000000003 g
Ruby-throated Hummingbird 3.1 g

Habitat Comparison

Shared Habitats

Black-bellied Hummingbird only

None

Ruby-throated Hummingbird only

None

Ruby-throated Hummingbird

Deciduous and mixed forests, woodland edges, gardens, and parks with flowering plants. Migrates across the Gulf of Mexico.

Song & Call Comparison

Black-bellied Hummingbird

Song

Soft, high-pitched twittering barely audible; delicate minute notes cascading gently near flowering canopy.

Ruby-throated Hummingbird

Song

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

Black-bellied Hummingbird

Found in humid forests of Costa Rica and western Panama at 700-1,800 m. Resident in cloud forest undergrowth.

Ruby-throated Hummingbird

Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.

Conservation Status

Least Concern

Black-bellied Hummingbird

Least Concern

Ruby-throated Hummingbird

How to Tell Them Apart

Black-bellied Hummingbird

Ruby-throated Hummingbird

Plumage

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.

Bill

Long, straight, thin black bill adapted for probing flowers

About These Birds

Black-bellied Hummingbird

A medium-sized hummingbird (9-10 cm) found in humid forests of Costa Rica and western Panama at 700-1,800 m. Males have a distinctive black belly contrasting with green breast. Nectarivore of cloud forest undergrowth and edges.

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.

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