Waterton Lakes National Park at sunset with moose silhouette, Alberta, Canada
Silhouette of cheetah running in desert
Desert bighorn sheep (Ovis canadensis nelsoni) at Zion National Park, Utah, USA
Diving Humpback Whale (Megaptera novaengliae), Alexander Archipelago, Alaska, USA
Humpback Whale Breach, near Molokai island, Hawaii, USA
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