Black-headed Heron vs Great Blue Heron
Ardea melanocephala 비교 대상 Ardea herodias
Side-by-Side Comparison
| 속성 | Black-headed Heron | Great Blue Heron |
|---|---|---|
| 학명 | Ardea melanocephala | Ardea herodias |
| 목 | Pelecaniformes | Pelecaniformes |
| 과 | Ardeidae | Ardeidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | 117.0 cm (46.1 in) |
| 날개 폭 | 78.3 cm (30.8 in) | 183.0 cm (72.0 in) |
| 체중 | 1355.0 g (47.80 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 | 2-6 | 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-headed 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-headed Heron
Great Blue Heron
North and Central America from Alaska and southern Canada to the Caribbean and Galapagos Islands.
보전 상태
Black-headed Heron
Great Blue Heron
How to Tell Them Apart
Black-headed 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-headed Heron
검은머리왜가리는 검은 머리꼭지와 뒷목, 회색 몸통, 대조적인 흰 목구멍과 앞목을 가진 크고 위엄 있는 왜가리입니다. 사하라 사막 이남 아프리카 전역에 널리 분포하며, 다른 왜가리와 달리 물에서 멀리 떨어진 초원, 습지, 경작지, 개활지에 서식합니다. 곤충, 개구리, 설치류, 작은 새를 먹이로 삼습니다.
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.