Matthew Maran / Indian rhinoceros (Rhinoceros unicornis) covered in mud in long grass, with Mynah birds (Acridotheres sp) perched along its back, Kaziranga NP, Assam, India

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) with rainbow and storm clouds. Ol Pejeta Conservancy, Kenya, 2009. Threatened species.

Matthew Maran / Steller's Sealion (Eumetopias jubata) stampede into the water. Clayoquot Sound, Vancouver Island, Canada, March.

Anup Shah / Bornean Orangutan (Pongo pygmaeus wurmbii) female 'Tata' and her unnamed baby aged 2-3 months portrait. Camp Leakey, Tanjung Puting National Park, Central Kalimantan, Borneo, Indonesia. June 2010. Reh...

Eric Baccega / Giant otter (Pteronura brasiliensis) swimming, captive, from Pantanal, Brazil, IUCN Endangered

Matthew Maran / Sea otter (Enhydra lutris) resting at the sea surface with paws in the air. Barkley Sound, Vancouver Island, Canada, August.

Nuno Sa / Whale Shark (Rhincodon typus) accompanied by Pilot Fish (Naucrates ductor) and Remora. The biggest fish in the world has only started to visit the Azores in the past three years due to water temperatu...

Alex Mustard / 2020VISION / Basking shark (Cetorhinus maximus) feeding on plankton in the surface waters around the island of Coll, Inner Hebrides, Scotland, UK, June. 2020VISION Book Plate. Did you know? The largest Basking sha...

Tony Heald / African elephant (Loxodonta africana) at sunset by water, Etosha National Park, Namibia October

Denis-Huot / Crowned crane (Balearica regulorum gibbericeps) portrait, Masai-Mara Game Reserve, Kenya

Tui De Roy / Waved albatross (Phoebastria irrorata) in flight. Punta Cevallos, Espanola (Hood) Island, Galapagos, Ecuador, May.

Ole Jorgen Liodden / Blue Whale (Balaenoptera musculus) blowing with mountains in the background. Spitsbergen, Svalbard, August.