Markus Varesvuo / Redpoll (Carduelis flammea) on seed head Finland, October

George Sanker / Mallard (Anas platyrhynchos) walking on ice, Acadia National Park, Maine, USA, April.

Joel Sartore / Photo Ark / Eastern black bear (Ursus americanus americanus) juvenile, four months old, looking at the camera and moving curiously towards the camera, North Carolina Zoo Wildlife Rehabilitation Center, USA. Contr...

Pal Hermansen / Western jackdaw (Corvus monedula) walking on ground. Norway. May.

Robin Chittenden / Grey heron (Ardea cinerea) walking along road, Norwich, UK. July.