European brown bear (Ursos arctos arctos) swimming, Finland

Surf class on Zurriola beach, district of Gros, San Sebastian, Bay of Biscay, province of Gipuzkoa, Basque Country, Spain, Europe

Yellow Crowned Night Heron (Nyctanassa Violacea), wading bird of the Americas that feeds on crustacea, Bermuda, Atlantic

View of runners near Ote-bori Moat, The East Gardens of the Imperial Palace, on a sunny day, Chiyoda, Tokyo, Honshu, Japan

River Chobe wildlife, water buck, Botswana

River Chobe wildlife, water buck, Botswana

River Chobe wildlife, water buck, Botswana

River Chobe wildlife, water buck, Botswana

Adult Patagonian crested duck (Lophonetta specularioides specularioides) feeding at low tide on Carcass Island, Falkland Islands

Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize

Northern (Steller) sea lion (Eumetopias jubatus) close-up eating a halibut in Southeastern Alaska, United States of America

Adult humpback whale (Megaptera novaeangliae) tail throw among feeding whales in Southeast Alaska, United States of America

Adult brown bear pair (Ursus arctos) mock-fighting at Scidmore Cut in Glacier Bay National Park, Alaska, United States of America

A pod of Pacific white-sided dolphins (Lagenorhynchus obliquidens) bow-riding in Johnstone Strait, British Columbia, Canada

Adult brown bear (Ursus arctos) foraging 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

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

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

Adult white-beaked dolphin (Lagenorhynchus albirostris) surfacing in the Svalbard Archipelago, Norway

Brunnichs guillemot (Uria lomvia) in flight at Cape Fanshawe in the Svalbard Archipelago, Norway

Shoreline view of the historic Bainbridge Steel Dam near Ash Fork, Kaibab National Forest, Arizona, United States of America

Adult harlequin duck (Histrionicus histrionicus) in full breeding plumage in the calm waters of Lake Myvatn, Iceland

Adult humpback whale (Megaptera novaeangliae), head-lunging in the fjord of Isfjardardjup, Iceland

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

Sunset near Ullapool, Ross and Cromarty, Highland, Scotland, United Kingdom

Alligators feeding, Gator Country Wildlife Adventure Park, Beaumont, Texas, United States of America

Diaporos island with wild beaches and kayak on the turquoise water, drone top aerial view, Chalkidiki, Greece

Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

Adult sea otter (Enhydra lutris kenyoni) mother and pup in Inian Pass, Southeastern Alaska, United States of America

Adult tufted puffin (Fratercula cirrhata) on the water at South Marble Island, Glacier Bay National Park, Alaska, United States of America

A female hiker relaxing near a river in the Swiss Alps. The region of Wallis, close to Zermatt. In the background is the Ried glacier. This valley is a paradise for outdoor enthusiasts like climbers, alpinists, hikers, mountainbikers and nature lovers. The water is directly coming from the glacier, so very refreshing after an excercise.

A female hiker crossing a river in the Swiss Alps. In the background is the Ried glacier. This region of Wallis, close to Zermatt, is a paradise for outdoor enthusiasts like climbers, alpinists, hikers, mountainbikers and nature lovers. The water is directly coming from the glacier, so very refreshing after an excercise.

A young water enthusiast carries his canoe on his head while entering the Boundary Waters of Minnesota.