While it looks like an unprovoked attack by zombie penguins, these are actually Falkland Gentoo penguins returning home through a sandstorm. The photograph was taken by Michael Lohmann — and it has won him the runner-up prize in the bird category of the GDT Nature Photographer of the Year 2013 prize.
Image: Michael Lohmann/GDT.
The penguins, who live on the Falkland's Sea Lion Island, were scurrying home after a long day of feeding at sea. Lohmann was waiting for them on the beach when he snapped the pic.
Here's the entire, uncropped image: "Returning From the Hunt":
More about this fantastic image at New Scientist.