Donald M. Jones / Black Bear (Ursus americanus) cub in tree, western Canada

Matthias Breiter / Polar Bear (Ursus maritimus) yearling cub running, Hudson Bay, Manitoba, Canada

Mark Raycroft / English Springer Spaniel (Canis familiaris) puppies

Mark Raycroft / Golden Retriever (Canis familiaris) puppy running

Matthias Breiter / Polar Bear (Ursus maritimus) three month old cub looking out of its birth den, vulnerable, Wapusk National Park, Manitoba, Canada

Mitsuaki Iwago / Harp Seal (Phoca groenlandicus) pup portrait, Gulf of St Lawrence, Canada

Fred Bavendam / Pacific Giant Octopus (Enteroctopus dofleini) eggs, Victoria, British Columbia, Canada

Donald M. Jones / Bighorn Sheep (Ovis canadensis) lamb among dandelions, western Canada

Donald M. Jones / Bighorn Sheep (Ovis canadensis) lamb among dandelions, western Canada

Matthias Breiter / Polar Bear (Ursus maritimus) yearling cub in snowfall, Hudson Bay, Manitoba, Canada

Matthias Breiter / Polar Bear (Ursus maritimus) yearling cub in snowfall, Hudson Bay, Manitoba, Canada

Matthias Breiter / Polar Bear (Ursus maritimus) yearling cub in snowfall showing dark tongue, Hudson Bay, Manitoba, Canada