Black Heron vs Great Blue Heron
Egretta ardesiaca 비교 대상 Ardea herodias
Side-by-Side Comparison
| 속성 | Black Heron | Great Blue Heron |
|---|---|---|
| 학명 | Egretta ardesiaca | Ardea herodias |
| 목 | Pelecaniformes | Pelecaniformes |
| 과 | Ardeidae | Ardeidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | 117.0 cm (46.1 in) |
| 날개 폭 | 49.0 cm (19.3 in) | 183.0 cm (72.0 in) |
| 체중 | 330.0 g (11.64 oz) | 2400.0 g (84.66 oz) |
| 식성 | -- | Primarily fish, also frogs, snakes, small mammals, insects, and other birds. Hunts by standing motionless … |
| 산란 수 | 2-4 | 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
Black Heron
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.
Geographic Range & Migration
Black Heron
Great Blue Heron
North and Central America from Alaska and southern Canada to the Caribbean and Galapagos Islands.
보전 상태
Black Heron
Great Blue Heron
How to Tell Them Apart
Black Heron
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
About These Birds
Black Heron
검은왜가리는 독특한 캐노피 먹이잡기 행동으로 유명한 중형 전흑색 왜가리이다. 날개를 우산처럼 펼쳐 물에 그늘을 만들어 물고기를 유인한다. 사하라 이남 아프리카의 습지에 서식. 관심필요종.
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.