Eurasian Bittern vs Great Blue Heron

Botaurus stellaris compared with Ardea herodias

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Side-by-Side Comparison

Attribute Eurasian Bittern Great Blue Heron
Scientific Name Botaurus stellaris Ardea herodias
Order Pelecaniformes Pelecaniformes
Family Ardeidae Ardeidae
Conservation Status Least Concern Least Concern
Length 117.0 cm (46.1 in)
Wingspan 64.8 cm (25.5 in) 183.0 cm (72.0 in)
Weight 1264.0 g (44.59 oz) 2400.0 g (84.66 oz)
Diet -- Primarily fish, also frogs, snakes, small mammals, insects, and other birds. Hunts by standing motionless …
Clutch Size 1-7 2-7
Population Trend
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Size Comparison

Body Length
Eurasian Bittern
Great Blue Heron 117.0 cm
Wingspan
Eurasian Bittern 64.8 cm
Great Blue Heron 183.0 cm
Weight
Eurasian Bittern 1264.0 g
Great Blue Heron 2400.0 g
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Habitat Comparison

Shared Habitats

Eurasian Bittern only

None

Great Blue Heron only

Great Blue Heron

Wetlands of all types including marshes, swamps, riverbanks, lake edges, and coastal shores. Also hunts in fields and meadows.

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Song & Call Comparison

Eurasian Bittern

Great Blue Heron

Song

Deep, harsh, croaking 'frahnk-frahnk' call in flight. Also gives low guttural grunts at the nest. Alarmed birds give repeated croaks. Mostly silent for such a large wader.

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Geographic Range & Migration

Eurasian Bittern

Great Blue Heron

North and Central America from Alaska and southern Canada to the Caribbean and Galapagos Islands.

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Conservation Status

Least Concern

Eurasian Bittern

Least Concern

Great Blue Heron

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How to Tell Them Apart

Eurasian Bittern

Great Blue Heron

Plumage

Blue-grey body with a white head bearing a broad black stripe extending to a long black plume. Rufous-brown thighs. In flight, the neck is folded into an S-shape.

Bill

Long, dagger-like yellowish bill

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About These Birds

Eurasian Bittern

The Eurasian Bittern (Botaurus stellaris) is a large, secretive heron of the family Ardeidae, native to wetlands across the Palearctic from Europe and North Africa east across Asia to Japan and the Russian Far East. Adults are heavily streaked in brown, buff, and black, producing a cryptic pattern that allows perfect concealment in reedbeds. When alarmed, the bird adopts a characteristic freeze posture with the bill pointed skyward and the neck stretched upward, effectively mimicking a stand of reeds. Adults …

Great Blue Heron

The great blue heron is the largest heron in North America, standing up to 1.4 meters tall. These patient hunters can stand motionless for extended periods before striking at prey with remarkable speed. They nest in large colonies called heronries, often returning to the same site year after year.

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