Great Blue Heron vs Mauritius Night-Heron

Ardea herodias compared with Nycticorax mauritianus

Side-by-Side Comparison

Attribute Great Blue Heron Mauritius Night-Heron
Scientific Name Ardea herodias Nycticorax mauritianus
Order Pelecaniformes Pelecaniformes
Family Ardeidae Ardeidae
Conservation Status Least Concern Extinct
Length 117.0 cm (46.1 in)
Wingspan 183.0 cm (72.0 in)
Weight 2400.0 g (84.66 oz)
Diet Primarily fish, also frogs, snakes, small mammals, insects, and other birds. Hunts by standing motionless … --
Clutch Size 2-7 --
Population Trend

Size Comparison

Body Length
Great Blue Heron 117.0 cm
Mauritius Night-Heron
Wingspan
Great Blue Heron 183.0 cm
Mauritius Night-Heron
Weight
Great Blue Heron 2400.0 g
Mauritius Night-Heron

Habitat Comparison

Shared Habitats

Great Blue Heron only

Mauritius Night-Heron only

None

Great Blue Heron

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

Song & Call Comparison

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.

Mauritius Night-Heron

Geographic Range & Migration

Great Blue Heron

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

Mauritius Night-Heron

Conservation Status

Least Concern

Great Blue Heron

Extinct

Mauritius Night-Heron

How to Tell Them Apart

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

Mauritius Night-Heron

About These Birds

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.

Mauritius Night-Heron

The Mauritius Night-Heron (Nycticorax mauritianus) is an extinct species of night-heron belonging to the family Ardeidae, formerly endemic to the island of Mauritius in the southwestern Indian Ocean. Unlike the Réunion Night-Heron which is known only from historical description, the Mauritius Night-Heron is known from subfossil and fossil skeletal remains recovered from Mauritian sites, allowing comparative analysis of its morphology. These remains indicate a large, robust heron, substantially larger than the extant Black-crowned Night-Heron (Nycticorax nycticorax) of the mainland, consistent …

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