Kanadareiher vs New Zealand Little Bittern
Ardea herodias verglichen mit Ixobrychus novaezelandiae
Side-by-Side Comparison
| Merkmal | Kanadareiher | New Zealand Little Bittern |
|---|---|---|
| Wissenschaftlicher Name | Ardea herodias | Ixobrychus novaezelandiae |
| 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) | 104,5 g (3.69 oz) |
| Ernährung | Primarily fish, also frogs, snakes, small mammals, insects, and other birds. Hunts by standing motionless … | -- |
| Gelegegröße | 2-7 | 2-9 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Gemeinsame Lebensräume
Kanadareiher only
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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.
New Zealand Little Bittern
Geographic Range & Migration
Kanadareiher
North and Central America from Alaska and southern Canada to the Caribbean and Galapagos Islands.
New Zealand Little Bittern
Erhaltungsstatus
Kanadareiher
New Zealand Little Bittern
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
New Zealand Little Bittern
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.
New Zealand Little Bittern
The New Zealand Little Bittern (Ixobrychus novaezelandiae) is an extinct species of small heron belonging to the family Ardeidae, formerly endemic to the North Island, South Island, and possibly other islands of New Zealand. Known from subfossil bones and a small number of specimens collected in the nineteenth century, this bittern appears to have been similar in general structure to other small Ixobrychus bitterns but with plumage that reportedly differed from its congeners, showing more brownish and streaked tones. It …