Okeanda hayot qanday ekanligini, muhit naqadar toza ekanini pingvinlarga qarab bilsa bo'ladi, deydi olimlar. Pingvinlar - ucha olmaydigan qushlar. Ularning asosiy makoni - janubiy yarimshar. Bu yer esa o'z ichiga Antarktika, Avstraliya, Janubiy Amerika, Afrika janubi, shuningdek, Hind okeani, Atlantika va Tinch okeanini oladi.
Pingvinlar - uchmaydigan qushlar

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Barbara Tucker, a passenger aboard the trapped ship MV Akademik Shokalskiy looks at an Adelie penguin walking by on the ice off East Antarctica December 29, 2013, some 100 nautical miles (185 km) east of French Antarctic station Dumont D'Urville and about