Great Blue Heron vs Rodrigues Night-Heron
Ardea herodias в сравнении с Nycticorax megacephalus
Side-by-Side Comparison
| Характеристика | Great Blue Heron | Rodrigues Night-Heron |
|---|---|---|
| Научное название | Ardea herodias | Nycticorax megacephalus |
| Отряд | Pelecaniformes | Pelecaniformes |
| Семейство | Ardeidae | Ardeidae |
| Охранный статус | Least Concern | Extinct |
| Длина | 117,0 cm (46.1 in) | — |
| Размах крыльев | 183,0 cm (72.0 in) | — |
| Масса | 2400,0 g (84.66 oz) | — |
| Питание | Primarily fish, also frogs, snakes, small mammals, insects, and other birds. Hunts by standing motionless … | -- |
| Размер кладки | 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.
Rodrigues Night-Heron
Geographic Range & Migration
Great Blue Heron
North and Central America from Alaska and southern Canada to the Caribbean and Galapagos Islands.
Rodrigues Night-Heron
Охранный статус
Great Blue Heron
Rodrigues Night-Heron
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
Rodrigues 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.
Rodrigues Night-Heron
The Rodrigues Night-Heron (Nycticorax megacephalus) is an extinct species of night-heron belonging to the family Ardeidae, formerly endemic to the island of Rodrigues in the Mascarene island group in the southwestern Indian Ocean. The species is known from subfossil and fossil bones, supplemented by historical accounts by French colonists and castaways who visited or were stranded on Rodrigues in the seventeenth and early eighteenth centuries. The scientific name megacephalus means 'large-headed' in Greek, a morphological feature noted in the skeletal …