Flip Nicklin / Blue Whale (Balaenoptera musculus) with researcher Bruce Mate on boat attempting to attach satellite tag, Santa Barbara, California

Flip Nicklin / Blue Whale (Balaenoptera musculus) with researcher Bruce Mate on boat attempting to attach satellite tag, Santa Barbara, California

Norbert Wu / Common Basket Star (Gorgonocephalus eucnemis) with branching arms which are only seen at night in warmer waters, Alaska

Flip Nicklin / Tourists observing glacier and bergy bits from inflatable boat, southeast Alaska

Flip Nicklin / Harbor Seal (Phoca vitulina) with observing tourist in a inflatable boat, southeast Alaska

Flip Nicklin / Tourists in inflatable boat observing glacier and bergy bits, southeast Alaska

Flip Nicklin / Orca (Orcinus orca) whale watching, southeast Alaska

Flip Nicklin / Orca (Orcinus orca) whale watching, southeast Alaska

Flip Nicklin / Orca (Orcinus orca) whale watching, southeast Alaska

Flip Nicklin / Orca (Orcinus orca) whale watching, southeast Alaska

Flip Nicklin / Chinook Salmon (Oncorhynchus tshawytscha) in a fishmarket, Alaska

Flip Nicklin / Orca (Orcinus orca) whale watching, southeast Alaska

Flip Nicklin / Orca (Orcinus orca) surfacing in front of whale watch boat, southeast Alaska

Flip Nicklin / Orca (Orcinus orca) and whale watching boat, southeast Alaska

Konrad Wothe / Cowboys herding a Domestic Horse (Equus caballus) group through Sagebrush, Oregon

Konrad Wothe / Cowboys riding Domestic Horse (Equus caballus) group beside pond with dogs, Oregon

Konrad Wothe / Cowboys riding Domestic Horse (Equus caballus) group beside pond with dogs, Oregon

Konrad Wothe / Cowboys and a cowgirl riding Domestic Horse (Equus caballus) pair beside pond, Oregon

Konrad Wothe / Domestic Horse (Equus caballus) group herded by cowboys, Oregon

Konrad Wothe / Cowboys herding Domestic Horse (Equus caballus) group at dusk, Oregon

Konrad Wothe / Domestic Horse (Equus caballus) group herded by cowboy, Oregon

Konrad Wothe / Domestic Horse (Equus caballus) group herded by cowboys, Oregon

Konrad Wothe / Cowboys and a cowgirl riding Domestic Horse (Equus caballus) pair through field, Oregon

Konrad Wothe / Cowboys riding Domestic Horses (Equus caballus) with dogs (Canis familiaris) running beside pond, Oregon

Konrad Wothe / Domestic Horse (Equus caballus) group with cowboy and cowgirl, Oregon

Yva Momatiuk & John Eastcott / Mustang (Equus caballus) chased by Bureau of Land Management wranglers who round up surplus horses for adoption, Wyoming

Yva Momatiuk & John Eastcott / Mustang (Equus caballus) chased by Bureau of Land Management wranglers who round up surplus horses for adoption, Wyoming

Flip Nicklin / Bowhead Whale (Balaena mysticetus) being flensed by Inuits, Barrow, Alaska

Flip Nicklin / Humpback Whale (Megaptera novaeangliae) calf called Gigi was stranded and is being cared for at Sea World, San Diego, California

Flip Nicklin / Young woman working on scrimshaw while proprietor of store oversees, Maui, Hawaii

Flip Nicklin / Bottlenose Dolphin (Tursiops truncatus) researchers listening to vocalizations of coralled pair that are released after data has been collected, Florida

Flip Nicklin / Bottlenose Dolphin (Tursiops truncatus) called Misha is released after two years of sonar study in California, Tampa Bay, Florida

Flip Nicklin / Bottlenose Dolphin (Tursiops truncatus) corralled by researchers for vocalization observation, suction cup relays data to a research boat, Sarasota Bay, Florida

Flip Nicklin / Bottlenose Dolphin (Tursiops truncatus) pair corralled by researchers for vocalization observation, Sarasota Bay, Florida

Flip Nicklin / Humpback Whale (Megaptera novaeangliae) breaching near whale watching boat, Southeast Alaska

Flip Nicklin / Bottlenose Dolphin (Tursiops truncatus) swimming with two divers, Dolphin Quest Learning Center, Waikoloa Hyatt, Hawaii

Flip Nicklin / Bottlenose Dolphin (Tursiops truncatus) silhouetted with two swimmers, Hawaii

Mark Moffett / Coast Redwood (Sequoia sempervirens) researchers climb world's tallest living tree, a 365 and one half foot tall tree named National Geographic Society Tree, Redwood National Park, California

Flip Nicklin / Bowhead Whale (Balaena mysticetus) hunters, Inuits in traditional clothes with sealskin boat waiting for whales, Brower fishing camp, Barrow, Alaska

Flip Nicklin / Loggerhead Sea Turtle (Caretta caretta) being outfitted with a satellite tracking device, Flower Garden Banks National Marine Sanctuary, Louisiana

Flip Nicklin / Orca (Orcinus orca) three people whale watching, southeast Alaska

Tom Vezo / Bird watchers, south Padre Island Convention Center, south Padre Island, Texas

Yva Momatiuk & John Eastcott / Young hikers, reading and resting among sand dunes, White Sands National Park, New Mexico

Gerry Ellis / Anti-World Trade Organization (WTO) protests in the streets of Seattle, Washington

Flip Nicklin / Humpback Whale (Megaptera novaeangliae) group photographed by BBC film crew with remote camera mounted on air ship, Southeast Alaska

Flip Nicklin / Bowhead Whale (Balaena mysticetus) census team, Barrow, Alaska

Flip Nicklin / Researchers photographing Humpback Whale (Megaptera novaeangliae), Hawaii

Flip Nicklin / Humpback Whale (Megaptera novaeangliae) biologists searching for whales, Hawaii

Flip Nicklin / Humpback Whale (Megaptera novaeangliae) group photographed by BBC film crew with remote camera mounted on air ship, Southeast Alaska

Flip Nicklin / Researchers photographing Humpback Whale (Megaptera novaeangliae), Hawaii