Cyril Ruoso / South American Sea Lion (Otaria flavescens) large group sleeping at haul out, San Fernando Reserve, Nazca Desert, Peru

Tui De Roy / Galapagos Sea Lion (Zalophus wollebaeki) group hauled out, Punta Pitt, San Cristobal Island, Ecuador

Suzi Eszterhas / Northern Elephant Seal (Mirounga angustirostris) female, Isla San Benitos, Baja California, Mexico

Sergey Gorshkov / Pacific Walrus (Odobenus rosmarus divergens) large group hauled out on shore below stone cliffs, Wrangel Island, Russia

Florian Möllers / Walrus (Odobenus rosmarus) male in shallow water, close to haul out, Poolepynten, Prins Karls Forland, Forlandsundet, Svalbard, Norway

Florian Möllers / Walrus (Odobenus rosmarus) females and calves resting at haul out on the beach of Storaya, Nordaustlandet, Svalbard, Norway

Steven Kazlowski / Walrus (Odobenus rosmarus) herd of bulls resting on a beach along the northwestern coast of Spitsbergen and the Svalbard Archipelago, Norway, Arctic Ocean, July

Steven Kazlowski / Walrus (Odobenus rosmarus) herd of bulls resting on a beach along the northwestern coast of Spitsbergen and the Svalbard Archipelago, Norway, Arctic Ocean, July

Peter Cairns / 2020VISION / Grey seals (Halichoerus grypus) on haul out in fishing harbour with ferry in the background, Lerwick, Shetland Isles, Scotland, UK, June 2010

Steve Nicholls / Australian fur seal (Arctocephalus pusillus) colony resting on rocks, Bruny Island, Friars Islands, Tasmania, Australia, January

Suzi Eszterhas / Group of Common / Harbor Seal (Phoca vitulina) haul out in estuary, Elkhorn Slough, California, USA, March

Doug Allan / Baikal seals {Pusa sibirica} several on haul out on a small rock, Ushkanyi Is, Lake Baikal, Siberia, Russia