killer whale, or orcas, Orcinus orca, pod in traveling in Resurrection Bay, Kenai Fjords National Park, outside Seward, southcentral Alaska, spring PacificStock
A Humpback whale lifts its flukes as it returns to the depths to feed in the bountiful waters of Alaska's Inside Passage, Tracy Arm in the distance, Stephens Passage, near Juneau. PacificStock
A humpback whale leaps (breaches) from the calm waters of Lynn Canal in Alaska's Inside Passage, near Juneau. Herbert Glacier and snowcapped mountains of Coastal Range beyond, Tongass National Forest. PacificStock
A pair of Humpback Whale tails as they dive beneath the surface, Lynn Canal, Inside Passage, Southeast Alaska 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