This greedy piglet was isolated from the rest of its litter by the farmer who named it Hitler after it tried to grab all the food at feeding time. (Photo by R J Lewis/Getty Images). 1942

These Animal Cling Rings are by Japanese artist Jiro Miura, working under brand name Count Blue. Miura creates these exquisitely detailed animal rings as well as figurines; his designs have also been used to create mass produced phone plugs and rings. It's a lucky artist who sees his work become so popular.

We’re showcasing photo-manipulation by Jan Oliehoek, a Dutch artist with a love for animals, photography and Photoshop. Oliehoek loves creating animal species that somehow never made it into our biology books, such as felines with rodent heads, lambs with the body of a squirrel, zebra rhinos and hippo-frogs! He’s currently having two of his pictures featured in Crazy Photography, an upcoming title from Vivays Publishing

In this picture made available Thursday July 11, 2013 a zoo-keeper presents three of twelve ferret babies at Eekholt Zoo in Grossenaspe, Germany, Wednesday July 10, 2013. The ferret babies were born May 25, 2013. (Photo by Markus Scholz/AP Photo/Dpa)

A Sumatran Tiger looks at visiting children from it's enclosure during the ZSL London Zoo's annual stocktake of animals on January 5, 2015 in London, England. The zoo's annual stocktake requires keepers to check on the numbers of every one of the 800 different animal species, including every invertebrate, bird, fish, mammal, reptile, and amphibian. (Photo by Dan Kitwood/Getty Images)

Suren Manvelyan is a professional Armenian photographer who specializes in animal eye, human eye, macro, landscape, portrait and night spirit photos.

Images are projected onto the Empire State Building as part of an endangered species projection to raise awareness, in New York August 1, 2015. (Photo by Eduardo Munoz/Reuters)

Attracting more than 450 entries from around the world, the winners are selected by a panel of expert judges including ZSL honorary conservation fellow and television presenter Kate Humble, and renowned ornithologist Bill Oddie. Here: Anoura Geoffroy’s tailless bat by Nicolas Reusens. The Perfect Moment category; Adult runner up. (Photo by Nicolas Reusens/ZSL Animal Photography Prize 2015)