Mapping expert Peter Fretwell, from the British Antarctic Survey (BAS), said: 'We can't see actual penguins on the satellite maps because the resolution isn't good enough.

来自英国南极观测站（BAS）的地图学专家Peter Fretwell说：“我们无法在卫星影像上看见真实的企鹅，这是因为卫星的分辨率还没有达到能看清企鹅的地步。 但是在繁殖季节时，企鹅们会在一个栖息地呆8个月之久。

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Lady Fretwell, chairwoman of the Passports for Pets group, said she was "delighted" by the latest move.

BBC: Pet 'passports' brought forward

"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

"The beauty of the satellites is that you can count all the colonies around the Antarctic coastline at one go in one breeding season, " said Mr. Fretwell.

WSJ: Emperor Penguins Aplenty in Antarctica