Kanadareiher vs Rodrigues Night-Heron
Ardea herodias verglichen mit Nycticorax megacephalus
Side-by-Side Comparison
| Merkmal | Kanadareiher | Rodrigues Night-Heron |
|---|---|---|
| Wissenschaftlicher Name | Ardea herodias | Nycticorax megacephalus |
| Ordnung | Pelecaniformes | Pelecaniformes |
| Familie | Ardeidae | Ardeidae |
| Erhaltungsstatus | Least Concern | Extinct |
| Länge | 117,0 cm (46.1 in) | — |
| Flügelspannweite | 183,0 cm (72.0 in) | — |
| Gewicht | 2400,0 g (84.66 oz) | — |
| Ernährung | Primarily fish, also frogs, snakes, small mammals, insects, and other birds. Hunts by standing motionless … | -- |
| Gelegegröße | 2-7 | -- |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Kanadareiher
Wetlands of all types including marshes, swamps, riverbanks, lake edges, and coastal shores. Also hunts in fields and meadows.
Song & Call Comparison
Kanadareiher
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
Kanadareiher
North and Central America from Alaska and southern Canada to the Caribbean and Galapagos Islands.
Rodrigues Night-Heron
Erhaltungsstatus
Kanadareiher
Rodrigues Night-Heron
How to Tell Them Apart
Kanadareiher
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
Kanadareiher
Der Kanadareiher ist mit einer Höhe von bis zu 1,4 Metern der größte Reiher Nordamerikas. Diese geduldigen Jäger können lange Zeit reglos verharren, bevor sie mit bemerkenswerter Geschwindigkeit nach Beute stoßen. Sie brüten in großen Kolonien, sogenannten Reiherkolonien, und kehren oft Jahr für Jahr an denselben Ort zurück.
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 …