Gabriel Rojo / Orca (Orcinus orca) hunting sea lion pups along seashore, Peninsula Valdez, Patagonia Argentina

Gabriel Rojo / Orca (Orcinus orca) hunting sea lion pups, Peninsula Valdez, Patagonia Argentina

Juergen Freund / Halligan Bay, where land meets water of the salt field and thousands of dead bugs, fish, rodents and birds are washed ashore. Lake Eyre, South Australia

Mark Carwardine / California sealions (Zalophus californianus), one in water with other sitting on rock, Baja California, Sea of Cortez (Gulf of California), Mexico

Floris van Breugel / Autumn colors along the shores of Pharaoh Lake in Adirondacks park, New York, USA. October

Jack Dykinga / Shore Acres State Park with sandstone bluffs being pounded by tidal shifting surf, creating waterfalls over concretions in the stone. Oregon

Floris van Breugel / Lines adorn the fractured sandstone rocks along the Barnacle (Cirripedia) and Sea snail inhabitated shores of Palos Verdes peninsula, California, USA

Floris van Breugel / Early summer morning, clearing mist reveals Mt. Rainier, with summer alpine blooms on the shores of lake, Rainier National Park, Washington, USA, June 2008.

Gerrit Vyn / Flock of oiled Brown Pelicans (Pelecanus occidentalis) on a beach behind an oil covered containment boom. This nesting colony is the largest in Louisiana and was heavily contaminated by the BP Deepwat...

Nick Garbutt / Adult Polar bear (Ursus maritimus) at sunset on tundra vegetation on shores of Hudson Bay, Canada (late Sept). Digitally Modified.

Aflo / Y-11106 Double rainbow over sea with waves breaking on shoreline

Nick Garbutt / Adult Polar bear (Ursus maritimus) at sunset, Shores of Hudson Bay, Canada, late September, digitally modified