Great Blue Heron vs Little Bittern
Ardea herodias 比較対象 Ixobrychus minutus
Side-by-Side Comparison
| 属性 | Great Blue Heron | Little Bittern |
|---|---|---|
| 学名 | Ardea herodias | Ixobrychus minutus |
| 目 | Pelecaniformes | Pelecaniformes |
| 科 | Ardeidae | Ardeidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 117.0 cm (46.1 in) | — |
| 翼開長 | 183.0 cm (72.0 in) | 28.5 cm (11.2 in) |
| 体重 | 2400.0 g (84.66 oz) | 104.5 g (3.69 oz) |
| 食性 | Primarily fish, also frogs, snakes, small mammals, insects, and other birds. Hunts by standing motionless … | -- |
| 一腹卵数 | 2-7 | 2-9 |
| 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.
Little Bittern
Geographic Range & Migration
Great Blue Heron
North and Central America from Alaska and southern Canada to the Caribbean and Galapagos Islands.
Little Bittern
保全状況
Great Blue Heron
Little 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
Little 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.
Little Bittern
ヨーロッパ・アジア・アフリカの湿地で繁殖する最小のサギの一つ（体長25〜36cm）。黄褐色の体と黒い背中が特徴で、葦原に擬態するときは真っ直ぐに体を伸ばして首を立てる。Ixobrychus minutus（コヨシゴイ）は夜行性傾向が強く、葦原の中で隠れて生活する。Ardeidae科。