Paul D Stewart / Skull of Moa or Dinornis discovered by Mr. Walter Mantell on the North Island of New Zealand. Plate with later tinting, from Gideom Mantell's petrifactions and their teachings (1851) published by Henr...

Bryan and Cherry Alexander / Tourists on icebreaker "Professor Multanovskiy" watching Polar bear (Ursus maritimus) in pack ice. Svalbard, Norway, 2004.

Karine Aigner / Portrait of Christina Romagosa, Research Assistant Professor, University of Florida, holding a feet and feathers of a Roseate spoonbill (Platalea ajaja) found in the stomach of a Burmese python (Pytho...

Karine Aigner / Christina Romagosa (right), Research Assistant Professor, University of Florida and her team of Python researchers looking through over the stomach contents of different snakes including invasive Burm...

Karine Aigner / Christina Romagosa (right), Research Assistant Professor, University of Florida and her team of Python researchers looking through over the stomach contents of different snakes including invasive Burm...

Staffan Widstrand / Wild Wonders of China / Portrait of Award-winning Photographer and Professor Sun Jinqiang, Tangjiahe National Nature Reserve, Qingchuan County, Sichuan province, China

Cyril Ruoso / Professor Matsuzawa, primatologist, in the field with stone hammer and anvil tool used by local Chimpanzees (Pan troglodytes verus) Bossou, Republic of Guinea. December 2012.

Cyril Ruoso / Professor Matsuzawa, primatologist, in the field. Republic of Guinea December 2012.

Cyril Ruoso / Professor Matsuzawa, primatologist, in the field. Bossou, Republic of Guinea December 2012.

Cyril Ruoso / Chimpanzee (Pan troglodytes) biologist, Professor Matsuzawa, holding skull, Bossou, Guinea

Cyril Ruoso / Chimpanzee (Pan troglodytes) biologist, Professor Matsuzawa, Bossou, Guinea

Alex Hyde / Professor Karim Vahed releasing captive bred Scaly Crickets (Pseudomogoplistes vicentae) onto a shingle beach site on the Devon coast. UK, June 2016.