A warthog (Phacochoerus africanus) took a wrong turn in the Addo elephant park in the Eastern Cape province of South Africa when it crossed the path of a hungry lion (Panthera leo). Photograph: Dr. Trix Jonker/Caters News Agency
In pictures: National Geographic photo contest 2012
Crop of photo by Peter Delaney - "He is big 4 meters tall and over 4 ton in weight, he is the "Godfather". In one fluid movement he sprays his forehead and for one brief moment he is covered in the magic of dust and light. Etosha, Namibia."
An elephant got a bit more than he bargained for when it visited a watering hole for a drink and ended up getting a nasty nip from a crocodile. Wildlife photographer Ian Salisbury caught this tussle close to the Mfuwe Lodge in the South Luangwa National Park, Zambia.