Jordi Chias / Gentoo penguins (Pygoscelis papua) swimming together and porpoising in search of krill, Antarctic Peninsula, Antarctica.

Jordi Chias / Gentoo penguins (Pygoscelis papua) porpoising, swimming together in search of krill, Antarctic Peninsula, Antarctica.

Jabruson / Hammer Headed bats (Hypsignathus monstrosus) in gloved hand - live mist net catch for blood sampling in search of the unknown reservoir host for Ebola virus. Ebola outbreaks in Mbomo in 2003 killed 12...

Fergus Gill / 2020VISION / Snow Butning (Plectrophenax nivalis) Searching for food in a snow storm. Cairngorms National Park

Jeff Wilson / View through the porthole of science teams and Frozen Planet film crew working on the sea ice in the Bering Sea, Alaska, USA, March 2008. The film crew were in search of Spectacled eider ducks, temper...

Steven Kazlowski / Polar bear (Ursus maritimus) traveling along the coast on sea ice in search of seals, Svalbard, Norway

Steven Kazlowski / Portrait of polar bear (Ursus maritimus) travelling across melting sea ice in search of seals, Svalbard, Norway

Marie Read / Black Skimmer (Rynchops nigra), skimming with its open beak just below the water's surface in search of prey, Bolsa Chica Ecological Reserve, California, USA (Digitally retouched image - space added...

Wild Wonders of Europe / Zankl / Female Loggerhead turtle (Caretta caretta) crawling up beach in search of spot to lay eggs, Dalyan Delta, Turkey, August 2009

Steven Kazlowski / Young Arctic fox (Vulpes / Alopex lagopus) its coat turning from summer brown to winter white, walking along the Arctic coast in search of food, 1002 area of the Arctic National Wildlife Refuge, Alask...

Michael Quinton / Common Raven (Corvus corax) using its beak to open a snowmobile's storage compartment in search of food, Yellowstone National Park, Wyoming

Tui De Roy / White Tern (Gygis alba) hovering in search of nest site, Midway Atoll, Hawaii