A small group of introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions

A small group of introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions

Bull southern elephant seal (Mirounga leonina) on South Georgia Island, Southern Ocean

Greenland Lake reduced to a mud hole, Grand Canyon North Rim, UNESCO, Arizona, United States of America

The boundary fence on the east side of Petrified Forest National Park, Arizona, United States of America

Bedouin and camels, Dhofar, Sultanate of Oman, Arabian Peninsula

An information sign on the summit of Apache Maid Mountai, Coconino National Forest, Arizona, United States of America

View from below the historic Bainbridge Steel Dam near Ash Fork, Kaibab National Forest, Arizona, United States of America

Captive Galapagos giant tortoise (Geochelone elephantopus) at the Charles Darwin Research Station, Galapagos, UNESCO World Heritage Site, Ecuador, South America

A small group of introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions

A small group of introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions

A small group of introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions

A small group of introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions

An adult bull introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions

An adult bull introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions

Adult bull introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions

Gentoo penguin (Pygoscelis papua) adult feeding chick at Hannah Point on Livingston Island, Antarctica, Southern Ocean, Polar Regions

Adult king penguin (Aptenodytes patagonicus) in the act of feeding chick on South Georgia Island, Southern Ocean, Polar Regions

Shepherd with his flock, southern Cyprus

Cow eating from a trash bin, Pushkar, Rajasthan, India

Pygmy man going net hunting, Dzanga Sangha National Park, UNESCO, Central African Republic

Pygmy man preparing the net for net hunting, Dzanga Sangha National Park, UNESCO, Central African Republic

Pygmy man going net hunting, Dzanga Sangha National Park, UNESCO, Central African Republic

Adult brown bear (Ursus arctos) fishing for pink salmon at Pavlof Harbor on Chichagof Island, Southeast Alaska, United States of America, North America

Captive Galapagos giant tortoise (Geochelone elephantopus) at the Charles Darwin Research Station, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Polar bear (Ursus Maritimus) on Axel Heiberg island, Nunavut, Canadian Arctic, Canada, North America

An adult bull introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions

An adult bull introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions

Palm plantation colonized by invasive Sodom apple plant (Calotropis procera), Sharaan Nature Reserve, AlUla, Medina Province, Saudi Arabia

African forest elephant (Loxodonta cyclotis), Dzanga Bai, Dzanga Sangha National Park, UNESCO, Central African Republic

Pygmy woman extracting water from a tree branch, Dzanga Sangha National Park, UNESCO, Central African Republic

Adult male spruce (Franklin's) grouse (Falcipennis canadensis) near Brooks River, Katmai National Park, Alaska, United States of America

Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America

Adult brown bears (Ursus arctos) disputing fishing rights for salmon at the Brooks River, Katmai National Park, Alaska, United States of America

Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America

Mother polar bear (Ursus maritimus), with cub of the year in Holmabukta in the Svalbard Archipelago, Norway

A small group of introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions

An adult bull introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions

The carcass of an eradicated reindeer (Rangifer tarandus) in Fortuna Bay, South Georgia, Polar Regions

King penguin (Aptenodytes patagonicus) breeding and nesting colony on South Georgia Island, Southern Ocean, Polar regions

Guide and Ranger team of the Sharaan Nature Reserve, AlUla, Medina Province, Saudi Arabia

Dead and dying pink salmon (Oncorhynchus gorbuscha) gathering to spawn just outside of Sitka, Southeast Alaska, United States of America, North America

Adult chinstrap penguin (Pygoscelis antarctica), at breeding colony at Half Moon Island, Antarctica, Polar Regions

Northern Mockingbird (Mimus polyglottos), Overton Wildlife Management Area, Overton, Nevada, United States of America, North America

Greater Roadrunner (Geococcyx californianus), Overton Wildlife Management Area, Overton, Nevada, United States of America, North America

Controlled Burn In Wildlife Management Area

Controlled Burn In Wildlife Management Area

Mule Deer Herd

Bison Walking In The Early Morning Through The Snow, Elk Island National Park, Alberta, Canada

Bison (Bison Bison Athabascae) Grazing, Elk Island National Park, Alberta, Canada

Men hunting from the Blue Duck Lodge, a working cattle farm with a focus on conservation, located in the Whanganui National Park. One man carrying goat kill on his back, (goats are a danger to the native wildlife and hunting is encouraged and educated here); Retaruke, Manawatu-Wanganui, New Zealand

Close-up of a sign at the McNeil River State Game Sanctuary. McNeil River Camp is operated by the Alaska Department of Fish and Game. The Department hosts guests in small numbers throughout the summer and early fall and provides bear-viewing tours. Guests must enter and be drawn in an annual lottery to be granted access to this world-famous brown bear sanctuary, Alaska, United States of America

Trail Signs In Tosohatchee Wildlife Management Area, Florida, United States Of America