Andean Gull vs Black-legged Kittiwake

Larus serranus 对比 Rissa tridactyla

Side-by-Side Comparison

属性 Andean Gull Black-legged Kittiwake
学名 Larus serranus Rissa tridactyla
Charadriiformes Charadriiformes
Laridae Laridae
保护状况 Least Concern Vulnerable
体长
翼展 70.6 cm (27.8 in) 60.2 cm (23.7 in)
体重 478.0 g (16.86 oz) 439.3333333333333 g (15.50 oz)
食性 -- --
产卵数 1-4 1-3
Population Trend

Habitat Comparison

共同栖息地

Andean Gull only

Black-legged Kittiwake only

保护状况

Least Concern

Andean Gull

Vulnerable

Black-legged Kittiwake

About These Birds

Andean Gull

安第斯鸥栖息于安第斯山脉的高山湖泊,是适应高地湖泊繁殖的南美固有鸥类。

Black-legged Kittiwake

三趾鸥(约400克)是一种典型的海洋性鸥类,在陡峭悬崖上筑巢,在大洋上度过非繁殖季节。翅尖纯黑,后趾退化(由此得名)。以鱼类和浮游动物为食。易危;近几十年来某些种群数量大幅下降,可能与鱼类减少和气候变化有关。

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