By Ella HamblyBBC News Climate and Science Image source, Christian Ziegler A tender moment or something more sinister? The image appears to show a bonobo cuddling a little mongoose like a treasured pet. But instead, maybe the ape took the mongoose pup for dinner after killing its mother. But that would be unusual – bonobos mainly eat fruit and only occasionally hunt. The intriguing behaviour was photographed by Christian Ziegler in Democratic Republic of Congo. His fascinating picture has been selected as a Highly Commended image in the Natural History Museum’s Wildlife Photographer of the Year (WPY) 58th competition. The shortlist was revealed on Thursday, and the overall winners will…