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Side-by-Side Comparison

属性	Streaked Shearwater	Northern Fulmar
学名	Calonectris leucomelas	Fulmarus glacialis
目	Procellariiformes	Procellariiformes
科	Procellariidae	Procellariidae
保护状况	Near Threatened	Least Concern
体长	—	47.0 cm (18.5 in)
翼展	63.8 cm (25.1 in)	107.0 cm (42.1 in)
体重	530.5 g (18.71 oz)	750.0 g (26.46 oz)
食性	--	Fish, squid, crustaceans, offal from fishing vessels, and zooplankton. Feeds by surface-seizing and shallow plunge-diving.
产卵数	1	1
Population Trend	—	—

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Size Comparison

Body Length

Streaked Shearwater —

Northern Fulmar 47.0 cm

翼展

Streaked Shearwater 63.8 cm

Northern Fulmar 107.0 cm

体重

Streaked Shearwater 530.5 g

Northern Fulmar 750.0 g

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Habitat Comparison

共同栖息地

无

Streaked Shearwater only

🌲 Forest

Northern Fulmar only

无

Northern Fulmar

Open ocean and sea cliffs. Breeds on cliff ledges and grassy slopes on northern coastlines. Pelagic outside breeding season.

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Song & Call Comparison

Streaked Shearwater

Northern Fulmar

鸣唱

A nasal, cackling 'kak-kak-kak-kak' or grunting 'uh-uh-uh' at the nest and colony. Less melodic than petrels. In flight gives occasional single nasal calls.

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Geographic Range & Migration

Streaked Shearwater

Northern Fulmar

North Atlantic and North Pacific oceans. Breeds from the Arctic south to Britain, France, and New England.

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保护状况

Near Threatened

Streaked Shearwater

Least Concern

Northern Fulmar

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How to Tell Them Apart

Streaked Shearwater

Northern Fulmar

羽毛

Light morph: white head and underparts with grey wings and back. Dark morph: entirely grey. Tube-nosed bill and stiff-winged flight distinctive at sea.

喙

Yellowish hooked bill with prominent tubular nostrils on top

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About These Birds

Streaked Shearwater

白额鹱，体长48厘米，白色头部有褐色条纹，繁殖于日本和东亚，迁徙至澳大利亚和印度洋。

Northern Fulmar

The northern fulmar is a long-lived seabird that can survive over 40 years. It defends its nest by projectile-vomiting a foul-smelling stomach oil at intruders, which can mat the feathers of predators and cause fatal loss of waterproofing. Fulmars have expanded their breeding range dramatically southward over the past two centuries.

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Related Comparisons

Mandarin Duck vs Northern Fulmar

look-alike

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