Floris van Breugel / Ocotillo (Fouquieria splendens) in morning sun, Anza-Borrego State Park, California, USA February

Floris van Breugel / Sunset over coast of Montana de Oro State Park in California, USA December.

George Sanker / Moose (Alces alces) bull swimming in water, Baxter State Park, Maine, USA.

Sergey Gorshkov / Siberian Tundra Reindeer (Rangifer tarandus sibiricus) herd migrating through snow, Putoransky State Nature Reserve, Putorana Plateau, Siberia, Russia

Sergey Gorshkov / Aurora borealis over river, Putoransky State Nature Reserve, Putorana Plateau, Siberia, Russia

Sergey Gorshkov / Lakes in taiga, Putoransky State Nature Reserve, Putorana Plateau, Siberia, Russia

Sergey Gorshkov / Waterfalls in deep canyon in plateau, Putoransky State Nature Reserve, Putorana Plateau, Siberia, Russia

Doug Wechsler / Summer fishfly (Chauliodes pectinicornis) close up, Weymouth Furnace Park, New Jersey, USA, July.

George Sanker / Great egret (Ardea alba) taking off with fish prey in mouth, Myakka River State Park, Florida, USA, March.

Jack Dykinga / Sun shining through mesquite bosque forest with lush winter rain-fed grasses covering the forest floor at sunset, Catalina State Park, Arizona. February 2014.

Chris Mattison / Sidewinder (Crotalus cerstastes) in sand dunes, Anza-Borrego Desert State Park, California, USA, May.

Hougaard Malan / Hills of the Maluti Drakensberg. Golden Gate National Park, Free State, South Africa. April 2013.