Chris & Monique Fallows / King penguin (Aptenodytes patagonicus) colony at sunrise. Grytviken, South Georgia Island.

David Pattyn / Puffin (Fratercula arctica), Hornoya, Varanger, Finnmark, Norway, April.

Andy Rouse / Gentoo penguin (Pygoscelis papua) jumping onto beach, Carcass Island, Falkland Islands.

Marie Read / Flock of White ibis (Eudocimus albus) in breeding plumage, at rookery on water's edge of the mangrove-covered island, Tampa Bay, Florida, USA, March

Alex Hyde / Takob-Akob Falls plunging 38 metres through the rainforest. Southern plateau edge, Maliau Basin, Sabah, Borneo, May 2011.

Jack Dykinga / Cardon cactus (Pachycereus pringlei) and Biznaga/Barrel cactus (Ferocactus diguetii),growing at the edge of the sea, CONANP protected area.Catalina Island, Sea of Cortez, Baja Sur, Mexico. February 20...

Hougaard Malan / Rock formations on Anse Source d'Argent beach. La Digue Island, Seychelles. November, 2012.

Ben Cranke / Leopard seal (Hydrurga leptonyx) chasing Gentoo Penguin (Pygoscelis papua) into shore, Cuverville Island, Antarctic Peninsula, Antarctica

Ben Cranke,Ben Cranke / Gentoo Penguin (Pygoscelis papua) group travelling out to sea, Cuverville Island, Antarctic Peninsula, Antarctica

Claudio Contreras,Claudio Contreras / Women gathering mollusc eggs for sale at market, Bilang Bilangang Island, Danajon Bank, Central Visayas, Philippines, April 2013

Ben Cranke,Ben Cranke / Flock of Hooded Cranes (Grus monacha) Kyushu, Japan

Terry Whittaker / 2020VISION / Short-eared owl (Asio flammeus) perched on post at edge of conservation margin and arable crop, Wallasea Island Wild Coast project, Essex, England, UK, January.