John Shaw / Brown bear (Ursus arctos) searching for clams on tidal mudflat with waterbirds. Lake Clark National Park, Alaska. August.

Pete Oxford / Flightless Cormorant (Phalacrocorax harrisi) foraging, Punta Moreno, Isabela Island, Galapagos Islands, Ecuador

Neil Aldridge / Urban Red fox (Vulpes vulpes) searching for food near bins in a courtyard at night, West London, United Kingdom, May 2014. Finalist in the Urban category of the Wildlife Photographer of the Year Awar...

Espen Bergersen / Red fox (Vulpes vulpes) searching for lemmings buried in deep snow. Lapland, Finland, March.

Heini Wehrle / Red-billed Oxpecker (Buphagus erythrorhynchus) pair searching for parasites on Impala, Mpumalanga, South Africa

Alex Mustard,Alex Mustard / A portrait of a nudibranch ( Limacia clavigera) searching for food on algae. Gulen, Norway. North East Atlantic Ocean.

Laurent Geslin / Rufous / Indian tree pie {Dendrocitta vagabunda} searching for insects on Spotted deer (Axis axis) Sariska reserve, Rajasthan, India

Cyril Ruoso / Komodo Dragon (Varanus komodoensis) using tongue to smell, Komodo National Park, Indonesia

Linda Pitkin / 2020VISION / Fisheries assistant Stephanie Kershaw and volunteer John Dumont from the Eden Rivers Trust searching for White clawed crayfish (Austropotamobius pallipes) as part of a capture and release conservation...

Paul D Stewart / Aerial view of Grand Prismatic thermal spring in Yellowstone National Park, USA. The bright colours are natural, coming from thermophile bacteria in the water. People can be seen walking on the raised...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) juvenile male 'Mobangi' aged 5 years reaching into a hole in a tree for rotting wood to feed on, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve...

Cheryl-Samantha Owen / A ranger looks for Chimpanzees in Semliki National Park's forest, Uganda, East Africa. No release available.