Great Blue Heron vs Least Bittern
Ardea herodias compared with Ixobrychus exilis
Side-by-Side Comparison
| Attribute | Great Blue Heron | Least Bittern |
|---|---|---|
| Scientific Name | Ardea herodias | Ixobrychus exilis |
| Order | Pelecaniformes | Pelecaniformes |
| Family | Ardeidae | Ardeidae |
| Conservation Status | Least Concern | Least Concern |
| Length | 117.0 cm (46.1 in) | — |
| Wingspan | 183.0 cm (72.0 in) | 21.6 cm (8.5 in) |
| Weight | 2400.0 g (84.66 oz) | 77.1 g (2.72 oz) |
| Diet | Primarily fish, also frogs, snakes, small mammals, insects, and other birds. Hunts by standing motionless … | -- |
| Clutch Size | 2-7 | 2-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
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
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.
Least Bittern
Geographic Range & Migration
Great Blue Heron
North and Central America from Alaska and southern Canada to the Caribbean and Galapagos Islands.
Least Bittern
Conservation Status
Great Blue Heron
Least Bittern
How to Tell Them Apart
Great Blue Heron
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.
Long, dagger-like yellowish bill
Least Bittern
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.
Least Bittern
The Least Bittern (Ixobrychus exilis) is the smallest heron in the Western Hemisphere and one of the smallest herons in the world, measuring only 28–36 cm in length and weighing 51–102 grams. Despite its diminutive size, it is a highly capable heron, inhabiting freshwater and brackish marshes from Canada to South America. Male adults have a glossy black cap and back contrasting with rich chestnut sides of the neck and a large buff wing patch conspicuous in flight. Females are …