George Sanker / Coyote (Canis latrans) standing on rocks at water's edge, sniffing, Yellowstone NP, Wyoming, USA, October

George Sanker / Coyote (Canis latrans) climbing over rocks carrying pup in mouth, Yellowstone National Park, Wyoming, USA, June

Diane McAllister / Five curious Coyote pups (Canis latrans) at the entrance of their den, looking up at the camera. Suburban southwest Reno, Nevada, USA, April

Piper Mackay / Head portrait of Coyote (Canis latrans) yawning, Bolsa Chica wetlands, Huntington Beach, California, USA

Patricio Robles Gil / Coyote (Canis latrans) walking over snow, Yellowstone NP, Wyoming, USA, October

Eric Baccega / Coyote (Canis latrans) Jasper National Park, Rocky Mountains, Alberta, Canada

Jeff Vanuga / Coyote {Canis latrans} in snow, USA, September

Shattil & Rozinski / Coyote {Canis latrans} in snow, Colorado, USA

Thomas Lazar / Two Coyotes {Canis latrans} fighting on frozen pond, Kettle River, Minnesota, USA, winter

Nick Garbutt / Coyotes (Canis latrans) and Bison (Bison bison) in deep snow. Madison River Valley, Yellowstone National Park, Wyoming, USA.

Nick Garbutt / Coyotes (Canis latrans) walking in snow. Lamar River Valley, Yellowstone National Park, Wyoming, USA.

Claudio Contreras / Coyotes (Canis latrans) against sand dunes, Bahia Magdalena, Baja California Peninsula, Mexico, June

Charlie Summers / Greater Sandhill Cranes (Grus canadensis tabida) slowly move away from Coyotes (Canis latrans), Bosque del Apache, New Mexico, USA, December.

Aflo / Coyote (Canis latrans) in grassland, Yellowstone National Park, Wyoming, September

George Sanker / Coyote (Canis latrans) with Elk (Cervus canadensis) calf prey. Yellowstone National Park, Wyoming, June.

Nick Garbutt / Male Coyote (Canis latrans) walking against the wind. Hayden Valley, Yellowstone National Park, Wyoming, USA, February.

Nick Garbutt / Male Coyote (Canis latrans) urinating / scent marking. Hayden Valley, Yellowstone National Park, Wyoming, USA, February.

Nick Garbutt / Male Coyote (Canis latrans) walking through deep snow. Hayden Valley, Yellowstone National Park, Wyoming, USA, February.

Danny Green / Coyote (Canis latrans) on snow baring teeth in aggression display. Yellowstone, United States of America, February.

Loic Poidevin / Coyote (Canis latrans) head portrait, Quebec, Canada, captive

Danny Green / Coyote (Canis latrans) walking along a bison track in snow. Yellowstone, USA, February.

George Sanker / Coyote (Canis latrans) swallowing Uinta ground squirrel (Urocitellus armatus) prey, Yellowstone NP, Wyoming, USA

George Sanker / Coyote (Canis latrans) sniffing plant, Yellowstone NP, Wyoming, USA, October

George Sanker / Coyote (Canis latrans) running, Yellowstone NP, Wyoming, USA, October

George Sanker / Coyote (Canis latrans) sniffing the ground, looking up, Yellowstone NP, Wyoming, USA, October

Todd Mintz / Coyote (Canis latrans) standing on top of bale after harvest on the Canadian prairie, Saskatchewan, Canada, December

Todd Mintz / Coyote (Canis latrans) curled up on snow, resting on the Canadian prairie, Saskatchewan, Canada, February

Todd Mintz / Coyote (Canis latrans) curled up on snow, resting on the Canadian prairie, Saskatchewan, Canada, February

Todd Mintz / Coyote (Canis latrans) curled up on snow, resting on the Canadian prairie, Saskatchewan, Canada, February

Todd Mintz / Coyote (Canis latrans) pair courtship behaviour on the Canadian prairie, Saskatchewan, Canada, February

Todd Mintz / Coyote (Canis latrans) pair courtship behaviour on the Canadian prairie, Saskatchewan, Canada, February

Todd Mintz / Coyote / American jackal / The prairie wolf (Canis latrans) pouncing while hunting, Regina, Saskatchewan, Canada.

Loic Poidevin / Coyote (Canis latrans) pair, Omega Park, Canada, Captive, October

George Sanker / Coyote (Canis latrans) with three pups, one feeding, Yellowstone National Park, Wyoming, USA, May

George Sanker / Coyote (Canis latrans) in grassland, Yellowstone National Park, Wyoming, USA, October

Shattil & Rozinski / Two Coyotes (Canis latrans) watching flock of Ring-billed gulls (Larus delawarensis) on frozen reservoir, Cherry creek state park, Denver, Colorado, USA, February

Shattil & Rozinski / Three Coyotes (Canis latrans) on snow covered ice of reservoir, Cherry creek state park, Denver, Colorado, USA, February

Todd Mintz / Coyote (Canis latrans) resting on snow portrait, Regina Saskatchewan, Canada, February

Todd Mintz / Coyote (Canis latrans) resting on snow portrait, Regina Saskatchewan, Canada, February

Todd Mintz / Coyote (Canis latrans) mating pair in snow, Regina Saskatchewan, Canada, February

Todd Mintz / Coyote (Canis latrans) mating pair playing in snow, Regina Saskatchewan, Canada, February

Charlie Summers / Coyote (Canis latrans) in semi-arid habitat. Yellowstone, Wyoming, USA, December.

Charlie Summers / Coyote (Canis latrans) in snow with heavy winter coat, Yellowstone NP, Wyoming, USA

Charlie Summers / Coyote (Canis latrans) pup standing by a cliff. Montana, USA, June.

Charlie Summers / Coyote (Canis latrans) pup looking out from its den entrance. Montana, USA, June.

Charlie Summers / Coyote (Canis latrans) pup looking out from its den entrance under a cliff. Montana, USA, June.

Charlie Summers / Coyote (Canis latrans) den hollowed out under a rock cliff. Montana, USA, June.

Diane McAllister / A Coyote pup (Canis latrans)wwith sleeping siblings. Suburban southwest Reno, Nevada, USA, April