Last year, an emperor penguin, the original Happy Feet, made headlines when he appeared on New Zealand's shores.

BBC: Lost Antarctic Royal penguin found in New Zealand

How about a Himalayan cat, Emperor Penguin, wild boar, camel or gorilla.

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Hundreds of people have visited Wellington Zoo to bid farewell to an emperor penguin who washed up on a New Zealand beach in June.

BBC: New Zealand's farewell to lost penguin Happy Feet

As well as the fossils Scott collected, the exhibition also features a stuffed emperor penguin, watercolours of the ice-scape by Edward Wilson, and photographs from the pole taken by Herbert Ponting.

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"For penguins, it is particularly important, because there are predictions that we might lose emperor-penguin colonies due to changing environmental conditions, " Mr. Fretwell said.

WSJ: Emperor Penguins Aplenty in Antarctica

In the new study, scientists first located the emperor-penguin breeding colonies by scanning satellite images for telltale patches of reddish-brown penguin guano on the ice, which are readily spotted from space.

WSJ: Emperor Penguins Aplenty in Antarctica

Its discovery revived memories of another penguin, an Emperor nicknamed Happy Feet, that arrived in 2011.

BBC: Lost Antarctic penguin dies in New Zealand zoo

The penguin's arrival has revived memories of another penguin, an emperor nicknamed Happy Feet, that arrived in 2011 and whose recovery at the zoo captured the hearts of many before he was released.

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Previous attempts to count emperor penguins systematically have been thrown off because field biologists could survey the penguin rookeries only during the extended daylight of the Antarctic summer, when conditions are relatively balmy and the penguins usually are scattered, feeding at sea.

WSJ: Emperor Penguins Aplenty in Antarctica