This male green sea turtle (Chelonia mydas), an endangered species, is being followed closely by a spotted unicorn fish (Naso brevirostris); Hawaii, United States of America PacificStock
A young Red-tailed Hawk watches for movement in the grass below; Ridgefield, Washington, United States of America PacificStock
An Orca Whale (Killer Whale) (Orcinus orca) surfaces near Juneau, Lynn Canal, Chilkat Mountains, Inside Passage; Alaska, United States of America PacificStock
Cattle standing in a field at sunrise with wind turbines in the background, near Edgewood; Iowa, United States of America PacificStock
An Orca Whale, or Killer Whale, (Orcinus orca) surfaces near Juneau in Lynn Canal, Inside Passage; Alaska, United States of America PacificStock
Barnacles and Blue Mussels cling to the rocks; Florence, Oregon, United States of America PacificStock
killer whale, or orcas, Orcinus orca, cow and calf swimming in Resurrection Bay, Kenai Fjords National Park, outside Seward, southcentral Alaska, spring PacificStock
Close up of Atlantic Puffin (Fratercula arctica) at Ile aux Perroquets, Mingan Archipelago National Park Reserve of Canada, Cote-Nord, Duplessis region; Quebec, Canada PacificStock
The "blow" of a male Orca Whale catches the evening light creating a "rainbow" in its mist with Herbert Glacier in the background, Lynn Canal near Juneau, Inside Passage, Southeast Alaska. PacificStock
Woman with her pet dog inside a natural ice cave on frozen Lake Superior in winter; Ontario, Canada PacificStock
A young Humpback Whale leaps from the calm waters of the Stephens Passage near Tracy Arm, Southeast Alaska, USA. PacificStock
View of Humpback whale lifting its tail as it dives under the surface at sunset, Inside Passage, Southeast Alaska PacificStock
View of Humpback whale lifting its tail as it dives under the surface at sunset, Inside Passage, Southeast Alaska PacificStock
Hippo (Hippopotamus amphibius) peeking out from the Shire River, Liwonde National Park; Malawi PacificStock
Sea Otter (Enhydra lutris) in Seward small boat harbor, South-central Alaska; Seward, Alaska, United States of America PacificStock
A pair of Hooded Mergansers (Lophodytes cucullatus) swim near the auto tour route at Ridgefield National Wildlife Refuge; Ridgefield, Washington, United States of America PacificStock
Three Grizzlies Sitting In Meadow Scratching Faces Katmai National Park Alaska Composite PacificStock
A pair of Mallards swim in the Columbia River; Astoria, Oregon, United States of America PacificStock
Humpback whale lifts its fluke as it dives, Stephens Passage, Admiralty Island, Inside Passage, Southeast Alaska PacificStock
COMPOSITE: Male Orca whale surfaces in Lynn Canal with a rainbow and spring rain shower in the background, Southeast Alaska PacificStock
Racoon Butterflyfish (Chaetodon lunula) schooling off the Kona coast, Turtle Haven, Island of Hawaii, Hawaii, United States of America PacificStock
Humpback whale lifts its fluke as it dives, Stephens Passage, Inside Passage, Southeast Alaska PacificStock
A school of Bluestripe Snapper (Lutjanus kasmira); Maui, Hawaii, United States of America PacificStock
Close up of a Cedar Waxwing (Bombycilla cedrorum) bird on a bare branch of a crab apple tree with blue sky in the background; Calgary, Alberta, Canada PacificStock
Young Grizzly cub (ursus arctos horribilis) walking across a log in Ni'iinlii Njik (Fishing Branch) Territorial Park; Yukon, Canada PacificStock 38
CAPTIVE: Northern Pike swallows Rainbow Trout, Department of Fish & Game aquarium in Anchorage, Southcentral Alaska PacificStock
Sailboats cruise the waters of Lake Ontario as a flock of water birds take to the air; Toronto, Ontario, Canada PacificStock
A Humpback Whale leaps from the waters of the Inside Passage near Juneau, Alaska. Favorite Passage, Shelter Island. PacificStock
Underwater view of a male Sockeye Salmon in Power Creek near Cordova, Southcentral Alaska PacificStock
A bull moose stands in the middle of Denali Park Road, in Denali National Park and Preserve, with the mountains in the background in autumn; Alaska, United States of America PacificStock
Yellowfin Goatfish (Mulloidichthys vanicolensis) schooled off the Kona coast; Kona, Island of Hawaii, Hawaii, United States of America PacificStock
Humpback whales (Megaptera novaeangliae) bubble feeding in the Seward harbour; Seward, Alaska, United States of America PacificStock
A Humpback Whale Breaches Along The Shoreline Of Chichagof Island In Chatham Strait With Mendenhall Towers In The Background, Inside Passage, Tongass National Forest, Admiralty Island, Southeast Alaska, Summer PacificStock
Marine iguana (Amblyrhynchus cristatus) sunbathing on black volcanic rocks; Galapagos Islands, Ecuador PacificStock
Northern Elephant Seal (Mirounga Angustirostris) On The Central California Coast; California, United States Of America PacificStock
Several green sea turtles (Chelonia mydas), an endangered species, gather at a cleaning station off West Maui; Maui, Hawaii, United States of America PacificStock