黑背鹰 vs 白头海雕

Accipiter melanochlamys 对比 Haliaeetus leucocephalus

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Side-by-Side Comparison

属性 黑背鹰 白头海雕
学名 Accipiter melanochlamys Haliaeetus leucocephalus
Accipitriformes Accipitriformes
Accipitridae Accipitridae
保护状况 Least Concern Least Concern
体长 79.0 cm (31.1 in)
翼展 45.7 cm (18.0 in) 203.0 cm (79.9 in)
体重 232.2 g (8.19 oz) 4300.0 g (151.68 oz)
食性 -- Primarily fish, also waterfowl, small mammals, and carrion. Hunts by swooping down to snatch fish …
产卵数 -- 1-4
Population Trend
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Size Comparison

Body Length
黑背鹰
白头海雕 79.0 cm
翼展
黑背鹰 45.7 cm
白头海雕 203.0 cm
体重
黑背鹰 232.2 g
白头海雕 4300.0 g
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Habitat Comparison

共同栖息地

黑背鹰 only

白头海雕 only

白头海雕

Large bodies of open water including coasts, rivers, and lakes with abundant fish and old-growth trees for nesting.

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Song & Call Comparison

黑背鹰

白头海雕

鸣唱

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.

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Geographic Range & Migration

黑背鹰

白头海雕

North America from Alaska and Canada through the contiguous United States to northern Mexico.

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保护状况

Least Concern

黑背鹰

Least Concern

白头海雕

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How to Tell Them Apart

黑背鹰

白头海雕

羽毛

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

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About These Birds

黑背鹰

黑背苍鹰(Accipiter melanochlamys)是一种中型紧凑的鹰,背部和肩部深黑色,下体浅色具横纹。属鹰科(Accipitridae),分布于新几内亚山地森林,海拔可达4,000米。以鸟类和蜥蜴为食。

白头海雕

The bald eagle is the national bird and symbol of the United States. Once endangered due to DDT pesticide use, it made a remarkable recovery and was removed from the endangered species list in 2007. These powerful raptors build the largest tree nests of any bird, some weighing over two tons.

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Related Comparisons

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