Eric Baccega / Young man from the Bodi Tribe having new scars made on his chest with razor blade, to make decorative skin scarifications. Omo Valley, Ethiopia, March 2015.

Staffan Widstrand / Svalbard reindeer (Rangifer tarandus platyrhynchus) with bloody antlers shedding velvet, Spitsbergen, Svalbard, Norway, September

Ole Jorgen Liodden / Arctic tern (Sterna paridisea) mobbing, Arctic fox (Alopex lagopus) in Spitsbergen, Svalbard, Norway, July.

Georgette Douwma / Kaleidoscopic image of Fire urchin (Asthenosoma varium). This sea urchin has venomous spines and is able to inflict painful stings. Komodo National Park, Indonesia.

Sven Zacek / Ural owl (Strix uralensis) female and chick at nest, female regurgitating pellet. Southern Estonia. May.

Ashley Cooper / Midge bites on a man

Richard Robinson / New Zealand sea lion (Phocarctos hookeri) pup is crushed under male's flipper and later dies from the injuries sustained by mating adults at the Sandy Bay colony, Enderby Island, Auckland Islands arch...

Richard Robinson / New Zealand sea lion (Phocarctos hookeri) pup is crushed and later died from the injuries sustained by mating adults at the Sandy Bay colony, Enderby Island, Auckland Islands archipelago, New Zealand....

Alex Hyde / Bullet ant (Paraponera clavata) worker portrait, photographed (with extreme caution) on a white background in mobile field studio. Central Caribbean foothills, Costa Rica. This insect's sting is repo...

Alex Hyde / Bullet ant (Paraponera clavata) worker portrait, photographed (with extreme caution) on a white background in mobile field studio. Central Caribbean foothills, Costa Rica. This insect's sting is repo...

Andy Rouse / Cheetah (Acinonyx jubatus) with young warthog prey in mouth. Masai Mara, Kenya, Africa. September