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Side-by-Side Comparison

属性	Arctic Tern	Laughing Gull
学名	Sterna paradisaea	Larus atricilla
目	Charadriiformes	Charadriiformes
科	Laridae	Laridae
保护状况	Least Concern	Least Concern
体长	34.0 cm (13.4 in)	—
翼展	80.0 cm (31.5 in)	59.7 cm (23.5 in)
体重	110.0 g (3.88 oz)	307.3333333333333 g (10.84 oz)
食性	Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving.	--
产卵数	2-3	2-3
Population Trend	—	—

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Size Comparison

Body Length

Arctic Tern 34.0 cm

Laughing Gull —

翼展

Arctic Tern 80.0 cm

Laughing Gull 59.7 cm

体重

Arctic Tern 110.0 g

Laughing Gull 307.3333333333333 g

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Habitat Comparison

共同栖息地

🏖️ Coastal

Arctic Tern only

🌿 Wetland 🌾 Grassland

Laughing Gull only

无

Arctic Tern

Breeds on coastal and tundra habitats. Spends most of its life at sea over the open ocean. Nests in colonies on beaches and rocky shores.

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Song & Call Comparison

Arctic Tern

鸣唱

A sharp, grating 'kree-yah' alarm call. Also gives 'kik-kik-kik' near the nest. Highly aggressive vocally during the Arctic breeding season. Calls are harsh and insistent.

Laughing Gull

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Geographic Range & Migration

Arctic Tern

Breeds in the Arctic and sub-Arctic. Migrates to the Antarctic, experiencing two summers per year. Found on every ocean.

Laughing Gull

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保护状况

Least Concern

Arctic Tern

Least Concern

Laughing Gull

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How to Tell Them Apart

Arctic Tern

羽毛

Pale grey upperparts, white underparts with a black cap. Blood-red bill and short red legs. Deeply forked tail streamers. Winter adults lose the full black cap.

喙

Slender, pointed, bright red bill

Laughing Gull

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About These Birds

Arctic Tern

北极燕鸥进行所有动物中最长的迁徙，每年从北极繁殖地飞往南极越冬地，往返距离超过70,000公里。体型纤细，翼展约80厘米，全身主要为白色，具黑色头冠和红色喙。无危；繁殖于北极和亚北极海岸及岛屿，全球种群约200万只。

Laughing Gull

笑鸥在北美和中美洲海岸繁殖，以笑声般的叫声为特征的鸥类。

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Related Comparisons

雞尾鸚鵡 vs Arctic Tern

look-alike

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