흰머리수리 vs Great Blue Heron
Haliaeetus leucocephalus 비교 대상 Ardea herodias
Side-by-Side Comparison
| 속성 | 흰머리수리 | Great Blue Heron |
|---|---|---|
| 학명 | Haliaeetus leucocephalus | Ardea herodias |
| 목 | Accipitriformes | Pelecaniformes |
| 과 | Accipitridae | Ardeidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | 79.0 cm (31.1 in) | 117.0 cm (46.1 in) |
| 날개 폭 | 203.0 cm (79.9 in) | 183.0 cm (72.0 in) |
| 체중 | 4300.0 g (151.68 oz) | 2400.0 g (84.66 oz) |
| 식성 | Primarily fish, also waterfowl, small mammals, and carrion. Hunts by swooping down to snatch fish … | Primarily fish, also frogs, snakes, small mammals, insects, and other birds. Hunts by standing motionless … |
| 산란 수 | 1-4 | 2-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
흰머리수리
Large bodies of open water including coasts, rivers, and lakes with abundant fish and old-growth trees for nesting.
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
흰머리수리
High-pitched, chattering whistle: a rapid 'kleek-kik-ik-ik-ik'. Surprisingly weak and thin for such a large raptor. Also gives a lower 'kwit-kwit' call near the nest.
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
흰머리수리
North America from Alaska and Canada through the contiguous United States to northern Mexico.
Great Blue Heron
North and Central America from Alaska and southern Canada to the Caribbean and Galapagos Islands.
보전 상태
흰머리수리
Great Blue Heron
How to Tell Them Apart
흰머리수리
Adults have a dark brown body with a striking white head and tail. Juveniles are mottled brown and white, reaching full adult plumage at age five.
Large, hooked, bright yellow bill
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
흰머리수리
흰머리독수리는 미국의 국조이자 국가 상징입니다. DDT 살충제 사용으로 인해 한때 멸종위기에 처했으나 놀라운 회복을 보여 2007년 멸종위기종 목록에서 제외되었습니다. 이 강력한 맹금류는 어떤 새보다 가장 큰 나무 둥지를 만들며, 어떤 것들은 2톤 이상이 됩니다.
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.