Gray's Hummingbird vs Ruby-throated Hummingbird

Chrysuronia grayi compared with Archilochus colubris

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Side-by-Side Comparison

Attribute Gray's Hummingbird Ruby-throated Hummingbird
Scientific Name Chrysuronia grayi Archilochus colubris
Order Caprimulgiformes Caprimulgiformes
Family Trochilidae Trochilidae
Conservation Status Least Concern Least Concern
Length 8.5 cm (3.3 in)
Wingspan 11.0 cm (4.3 in)
Weight 5.6499999999999995 g (0.20 oz) 3.1 g (0.11 oz)
Diet Hovering nectarivore of lowland and montane forest, probing Heliconia and garden flowers. Supplements with insects … Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over …
Clutch Size -- 2
Population Trend
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Size Comparison

Body Length
Gray's Hummingbird
Ruby-throated Hummingbird 8.5 cm
Wingspan
Gray's Hummingbird
Ruby-throated Hummingbird 11.0 cm
Weight
Gray's Hummingbird 5.6499999999999995 g
Ruby-throated Hummingbird 3.1 g
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Habitat Comparison

Shared Habitats

Gray's Hummingbird only

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.

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Song & Call Comparison

Gray's Hummingbird

Song

Sharp, emphatic chip followed by short buzzy trill; clean staccato onset launching into brief rough cascade.

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.

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Geographic Range & Migration

Gray's Hummingbird

Found in western Ecuador. Resident in lowland and foothill forest edges. Limited ecological data available.

Ruby-throated Hummingbird

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

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Conservation Status

Least Concern

Gray's Hummingbird

Least Concern

Ruby-throated Hummingbird

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How to Tell Them Apart

Gray's Hummingbird

Plumage

Chinese Coucal: dark brown above; rufous wings; pale buff below; long dark tail; red eye; winter plumage streaked; Asian coucal

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

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About These Birds

Gray's Hummingbird

A medium-sized hummingbird found in western Ecuador. Green plumage. Nectarivore of lowland and foothill forest edges. Named after George Robert Gray. Sometimes treated as a subspecies. Limited ecological data available.

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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Related Comparisons

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