Global wildlife populations will decline by 67% by 2020 unless urgent action is taken to reduce human impact on species and ecosystems, warns the biennial Living Planet Index report from WWF (World Wide Fund for Nature) and ZSL (Zoological Society of London). From elephants to eels, here are some of the wildlife populations most affected by human activity. Here: The maned wolf is among the large mammals in the Brazilian Cerrado that are threatened by the increasing conversion of grasslands into farmland for grazing and growing crops. (Photo by Ben Cranke/Nature Picture Library/Alamy Stock Photo)

These stunning images show the 20-stone cat striking with lightning speed while the eight-foot reptile basks on a river island. The scene unfolded by the Cuiabá River in the Pantanal Wetlands of western Brazil. Photo: Jaguar attacks a Yacare Caiman. (Photo by Barcroft Media)

Famous Political Figures by Ahmad Kushha is a series of illustrations that feature world leaders that have been shrunken down to look like cartoon characters with huge eyes.

Brazilian revelers pose during Carnival celebrations along Ipanema beach on February 18, 2012 in Rio de Janiero, Brazil. (Photo by Mario Tama/Getty Images)

Harry Potter, Winnie the Pooh, Peter Pan and many more children's classics are recreated by these book based babies. The gorgeous photos come via Venture Photography for National Storytelling Week.