Arctic Tern vs Yellow-legged Gull

Sterna paradisaea 对比 Larus michahellis

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Side-by-Side Comparison

属性 Arctic Tern Yellow-legged Gull
学名 Sterna paradisaea Larus michahellis
Charadriiformes Charadriiformes
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) 84.6 cm (33.3 in)
体重 110.0 g (3.88 oz) 1106.6666666666667 g (39.04 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
Yellow-legged Gull
翼展
Arctic Tern 80.0 cm
Yellow-legged Gull 84.6 cm
体重
Arctic Tern 110.0 g
Yellow-legged Gull 1106.6666666666667 g
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Habitat Comparison

共同栖息地

Arctic Tern only

Yellow-legged Gull only

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.

Yellow-legged 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.

Yellow-legged Gull

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保护状况

Least Concern

Arctic Tern

Least Concern

Yellow-legged 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.

Slender, pointed, bright red bill

Yellow-legged 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。

Yellow-legged Gull

地中海银鸥在地中海沿岸和大西洋东部岛屿繁殖,以黄色脚为特征的大型鸥类。

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