Mark Carwardine / Hawaiian goose / Nene (Branta sandvicensis) looking down, Slimbridge, Gloucestershire, UK, Captive, native to Hawaii, USA, Vulnerable species, September

Shattil & Rozinski / Juvenile American dipper (Cinclus mexicanus) at stream, British Columbia, Canada, September

Mark Raycroft / White-tailed Deer (Odocoileus virginianus) large buck emerging from forest at first snow

Tim Fitzharris / Timber Wolf (Canis lupus) portrait, North America

Konrad Wothe / Black-tailed Prairie Dog (Cynomys ludovicianus) alert pair, North America

Gerry Ellis / Bald Eagle (Haliaeetus leucocephalus) portrait, North America

Gerry Ellis / Snowy Owl (Nyctea scandiaca) camouflaged against snow, North America

Konrad Wothe / Bald Eagle (Haliaeetus leucocephalus) portrait, North America

Michael Quinton / Coyote (Canis latrans) portrait in snow, North America

Steven Kazlowski / Sea otter (Enhydra lutris) grooms itself in icy waters off Columbia Glacier in Prince William Sound, Chugach National Forest, Alaska, USA, May

Konrad Wothe / White-tailed Deer (Odocoileus virginianus) fawn standing in spring meadow, North America

Patricio Robles Gil / Dall's Sheep (Ovis dalli) ram portrait, North America