Paul Souders/ Worldfoto / Humpback Whale (Megaptera novaeangliae) diving near icebergs, Disko Bay, Ilulissat, Greenland

Paul Souders/ Worldfoto / Iceberg, Disko Bay, Ilulissat, Greenland

Paul Souders/ Worldfoto / African Elephant (Loxodonta africana) calf feeding, Ngorongoro Conservation Area, Tanzania

Paul Souders/ Worldfoto / Black Heron (Egretta ardesiaca) canopy hunting, Chobe River, Chobe National Park, Botswana

Paul Souders/ Worldfoto / Grey Crowned Crane (Balearica regulorum) flying, Ngorongoro Conservation Area, Tanzania

Paul Souders/ Worldfoto / Lesser Flamingo (Phoenicopterus minor) flock flying, Lake Magadi, Kenya

Paul Souders/ Worldfoto / Lesser Flamingo (Phoenicopterus minor) flock nesting on island, Lake Natron, Tanzania

Paul Souders/ Worldfoto / Lesser Flamingo (Phoenicopterus minor) nesting colony, Lake Natron, Tanzania

Paul Souders/ Worldfoto / Red algae and salt formations, Lake Natron, Ol Doinyo Lengai, Tanzania

Paul Souders/ Worldfoto / Forested hills in mist, Ngong Hills, Kenya

Paul Souders/ Worldfoto / Humpback Whale (Megaptera novaeangliae) pod cooperative bubble-net feeding, Frederick Sound, Alaska

Paul Souders/ Worldfoto / Humpback Whale (Megaptera novaeangliae) pod cooperative bubble-net feeding, Frederick Sound, Alaska

Paul Souders/ Worldfoto / Humpback Whale (Megaptera novaeangliae) mother and calf, Disko Bay, Ilulissat, Greenland

Paul Souders/ Worldfoto / Iceberg, Disko Bay, Ilulissat, Greenland

Paul Souders/ Worldfoto / Iceberg, Jakobshavn Glacier, Ilulissat, Greenland

Paul Souders/ Worldfoto / Iceberg, Jakobshavn Glacier, Ilulissat, Greenland

Paul Souders/ Worldfoto / Midnight sun and iceberg, Jakobshavn Glacier, Ilulissat, Greenland

Paul Souders/ Worldfoto / Iceberg, Disko Bay, Ilulissat, Greenland

Paul Souders/ Worldfoto / Iceberg, Disko Bay, Ilulissat, Greenland

Paul Souders/ Worldfoto / Mountain Gorilla (Gorilla gorilla beringei) silverback, Parc National des Volcans, Rwanda

Paul Souders/ Worldfoto / African Elephant (Loxodonta africana) calf playing in water, Chobe River, Chobe National Park, Botswana

Paul Souders/ Worldfoto / African Elephant (Loxodonta africana) drinking, Chobe River, Chobe National Park, Botswana

Paul Souders/ Worldfoto / African Elephant (Loxodonta africana) playing in water, Chobe River, Chobe National Park, Botswana

Paul Souders/ Worldfoto / African Elephant (Loxodonta africana) calves playing in water, Chobe River, Chobe National Park, Botswana

Paul Souders/ Worldfoto / African Elephant (Loxodonta africana) group playing in water, Chobe River, Chobe National Park, Botswana

Paul Souders/ Worldfoto / African Elephant (Loxodonta africana) orphaned calf bottle feeding, David Sheldrick Wildlife Trust, Nairobi, Kenya

Paul Souders/ Worldfoto / African Elephant (Loxodonta africana) orphaned calf bottle feeding, David Sheldrick Wildlife Trust, Nairobi, Kenya

Paul Souders/ Worldfoto / Cheetah (Acinonyx jubatus) with Thomson's Gazelle (Eudorcas thomsoniI) young prey during rainfall, Ngorongoro Conservation Area, Tanzania

Paul Souders/ Worldfoto / Grey Crowned Crane (Balearica regulorum), Ngorongoro Conservation Area, Tanzania

Paul Souders/ Worldfoto / Grey Crowned Crane (Balearica regulorum) flying, Ngorongoro Conservation Area, Tanzania

Paul Souders/ Worldfoto / Streams and Lake Natron, Ol Doinyo Lengai, Tanzania

Paul Souders/ Worldfoto / Greater Flamingo (Phoenicopterus ruber) and Lesser Flamingo (Phoenicopterus minor) flock flying, Lake Natron, Tanzania

Paul Souders/ Worldfoto / Red algae and salt formations, Lake Natron, Tanzania

Paul Souders/ Worldfoto / Red algae and salt formations on alkaline Lake Natron, Tanzania

Paul Souders/ Worldfoto / Humpback Whale (Megaptera novaeangliae) pod surfacing, Frederick Sound, Alaska

Paul Souders/ Worldfoto / Humpback Whale (Megaptera novaeangliae) pod cooperative bubble-net feeding, Frederick Sound, Alaska

Paul Souders/ Worldfoto / Humpback Whale (Megaptera novaeangliae) pod cooperative gulp feeding, Frederick Sound, Alaska

Paul Souders/ Worldfoto / Humpback Whale (Megaptera novaeangliae) pod coopertive gulp feeding, Frederick Sound, Alaska

Paul Souders/ Worldfoto / Humpback Whale (Megaptera novaeangliae) pod cooperative bubble-net feeding, Frederick Sound, Alaska

Paul Souders/ Worldfoto / Humpback Whale (Megaptera novaeangliae) pair gulp feeding, Frederick Sound, Alaska

Paul Souders/ Worldfoto / Boat and iceberg, Disko Bay, Ilulissat, Greenland

Paul Souders/ Worldfoto / Water cascading from iceberg, Jakobshavn Glacier, Ilulissat, Greenland

Paul Souders/ Worldfoto / Iceberg, Jakobshavn Glacier, Ilulissat, Greenland

Paul Souders/ Worldfoto / Midnight sun and iceberg, Jakobshavn Glacier, Ilulissat, Greenland

Paul Souders/ Worldfoto / Iceberg at sunset, Disko Bay, Ilulissat, Greenland

Paul Souders/ Worldfoto / Iceberg, Disko Bay, Ilulissat, Greenland

Paul Souders/ Worldfoto / Iceberg, Disko Bay, Ilulissat, Greenland

Paul Souders/ Worldfoto / Blue iceberg, Disko Bay, Ilulissat, Greenland