Australasian Bittern vs Kanadareiher
Botaurus poiciloptilus verglichen mit Ardea herodias
Side-by-Side Comparison
| Merkmal | Australasian Bittern | Kanadareiher |
|---|---|---|
| Wissenschaftlicher Name | Botaurus poiciloptilus | Ardea herodias |
| Ordnung | Pelecaniformes | Pelecaniformes |
| Familie | Ardeidae | Ardeidae |
| Erhaltungsstatus | Vulnerable | Least Concern |
| Länge | — | 117,0 cm (46.1 in) |
| Flügelspannweite | 64,1 cm (25.2 in) | 183,0 cm (72.0 in) |
| Gewicht | 1166,5 g (41.15 oz) | 2400,0 g (84.66 oz) |
| Ernährung | -- | Primarily fish, also frogs, snakes, small mammals, insects, and other birds. Hunts by standing motionless … |
| Gelegegröße | 4-5 | 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
Australasian Bittern
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.
Geographic Range & Migration
Australasian Bittern
Kanadareiher
North and Central America from Alaska and southern Canada to the Caribbean and Galapagos Islands.
Erhaltungsstatus
Australasian Bittern
Kanadareiher
How to Tell Them Apart
Australasian Bittern
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
About These Birds
Australasian Bittern
The Australasian Bittern is a Vulnerable large heron found in freshwater wetlands and reed beds across Australia and New Zealand. Weighing about 1,166.5g with a wingspan of 64.1cm, it is a cryptically streaked brown bird that freezes motionless with its bill pointed skyward when threatened. It feeds on fish, frogs, and aquatic invertebrates at night.
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.