Polar bear warning sign, Grise Fjord, most northern community in America, Nunavut, Canadian Arctic, Canada, North America

Cut outs of bear and cub crossing street near caution sign

Fin of shark swimming in bathtub

Rattlesnake coiled under rock

Sting rays in the shallow waters of the Bora Bora lagoon, Moorea, French Polynesia, Society Islands, South Pacific. Cook's Bay.

Albatros. Tourists on a snorkeling excursion to view black tipped sharks and sting rays in the shallow waters of the Bora Bora lagoon, Moorea, French Polynesia, Society Islands, South Pacific. Cook's Bay.

Sting rays in the shallow waters of the Bora Bora lagoon, Moorea, French Polynesia, Society Islands, South Pacific. Cook's Bay.

Tourists on a snorkeling excursion to view black tipped sharks and sting rays in the shallow waters of the Bora Bora lagoon, Moorea, French Polynesia, Society Islands, South Pacific. Cook's Bay.

A split scene of a Blacktip Reef Shark (Carcharhinus melanopterus) just below the surface at sunset off the island of Yap, Yap, Micronesia

Great White Shark (Carcharodon carcharias) was photographed off Guadalupe Island, Mexico

This dive site off the Kona coast is known as A Touch of Gray and is home of several juvinile Grey reef sharks (Carcharhinus amblyrhynchos), Hawaii, United States of America

This dive site off the Kona coast is known as A Touch of Gray and is home of several juvinile Grey reef sharks (Carcharhinus amblyrhynchos), Hawaii, United States of America

Nurse shark (Ginglymostoma cirratum) with a school of juvenile jacks, Bahamas

Yak eating from bowl at base camp, Everest, Khumbu region, Nepal, Everest, Khumbu region, Nepal