A bull caribou approaching the Park Road near Highway Pass in Denali National Park, Interior Alaska PacificStock
Eastern Pondhawk dragonfly (Erythemis simplicicollis) casts a shadow on a leaf; Vian, Oklahoma, United States of America PacificStock
Bald Eagle (Haliaeetus leucocephalus) perched in a tree, Cowichan Bay; British Columbia, Canada PacificStock
A set of two rare Hawaiian Sunrise Scallop Seashells, also known as Pecten Langfordi, in the sand at Lanikai beach; Honolulu, Oahu, Hawaii, United States of America PacificStock
Salamander (Caudata) with it's reflection on a white surface; Tarifa, Cadiz, Andalusia, Spain PacificStock
A pair of Humpback Whale tails as they dive beneath the surface, Lynn Canal, Inside Passage, Southeast Alaska PacificStock
Polar bears (ursus maritimus) sparring in the snow during winter near Churchill; Manitoba, Canada PacificStock
Close up of Bighorn ram (ovis canadensis) with broomed (splintered) horn tips resulting from butting heads with other rams, Shoshone National Forest; Wyoming, United States of America PacificStock
Red fox (Vulpes vulpes) resting on melting snow on Arctic tundra, early spring, Arctic coastal plain, North Slope, Northern Alaska; Alaska, United States of America PacificStock
Adult Sally Lightfoot crab (Grapsus grapsus) under grey rock; Galapagos Islands, Ecuador PacificStock
An Orca Whale (Killer Whale) (Orcinus orca) surfaces near Juneau in Lynn Canal, Inside Passage; Alaska, United States of America PacificStock
A set of two rare Hawaiian Sunrise Scallop Seashells, also known as Pecten Langfordi, in the sand at Lanikai beach; Honolulu, Oahu, Hawaii, United States of America PacificStock
Skipper butterflies (Hesperiidae) feed on Aster blossoms in a garden; Astoria, Oregon, United States of America PacificStock
A brown frog sits on a window ledge looking outside at the rain; Fort McMurray, Alberta, Canada PacificStock
Female Sea Otter Holding Newborn Pup Out Of Water, Prince William Sound, Southcentral Alaska, Winter PacificStock
Polar bear (ursus maritimus) laying alongside a thawing pond waiting for Hudson Bay to freeze over; Churchill, Manitoba, Canada PacificStock
Chinstrap Penguin (Pygoscelis antarctica) in a snowfall; Half Moon Island, South Shetland Islands, Antarctica PacificStock
Brown bear (Ursus arctos) cub standing in grass at edge of Brooks River in rain, while mother is fishing for salmon, Katmai National Park, Southwestern Alaska PacificStock
A close up of a cowry shell on the beach; St. Croix, Virgin Islands, United States of America PacificStock
Sharp teeth can be seen in the gaping mouth of this Whitemouth Moray Eel (Gymnothorax meleagris) nestling in coral; Kona, Island of Hawaii, Hawaii, United States of America PacificStock
A brown bear (ursus arctos) lays on the sand, Katmai National Park; Alaska, United States of America PacificStock
A whale's tail splashing above the surface of the water and the coastline of a Hawaiian island in the background; Hawaii, United States of America PacificStock
Two blond cockapoos running on a beach at the water's edge; South Shields, Tyne and Wear, England PacificStock
A White-crowned Sparrow (Zonotrichia leucophrys) perches in a tree; Astoria, Oregon, United States of America PacificStock
Portrait of a female Gray Wolf (canis lupus) looking up, captive, Alaska Wildlife Conservation Center; Portage, Alaska, United States of America PacificStock
A dog stands on the beach at the edge of the surf; South Shields, Tyne and Wear, England PacificStock