Tim Flach's endangered species – in pictures

Photographer Tim Flach's latest book Endangered, with text by zoologist Jonathan Baillie, offers a powerful visual record of threatened animals and ecosystems facing the harshest of challenges

Tim Flach sees his Hasselblad H4D-60 camera as a means to its end: capturing the character and emotions of an animal. Until now his interest has been in the way humans shape animals, but in his new book, Endangered, he poses the question of what these animals, and their potential disappearance, mean to us.

Twenty months of shooting and six months of assembling has resulted in a collection of more than 180 pictures. "In some cases we put up a black background in a zoo or a natural reserve, in others it meant being underwater with hippos or great white sharks."