Walking on thin ice... p-p-pick out the penguin

Summer is coming for the UK, but in the Antarctic winter is on the way and it will soon be colder for this penguin.

Not far from its Franklin Island colony, this lone Adelie punctuates the looping scrawl of penguin tracks across plates of Ross Sea pack ice. Some 2.7 million of the birds populate the Ross Sea region

Photo by John B Weller ©2008 National Geographic, This image and others can be seen in this month's issue of National Geographic Magazine, available on news stands now.