Heike Odermatt / King Penguin (Aptenodytes patagonicus) trio, Saunders Island, Falkland Islands

Tui De Roy / Galapagos Lava Lizard (Microlophus albemarlensis) on Marine Iguana (Amblyrhynchus cristatus), Punta Espinosa, Fernandina Island, Galapagos Islands, Ecuador

Paul Bertner / Painted Indonesian Treefrog (Nyctixalus pictus), Bukit Barisan Selatan National Park, Sumatra, Indonesia

Silke Arndt / Western rattlesnake (Crotalus viridis viridis), threat display, South Dakota, USA, September.

Pete Oxford / Brown Pelican (Pelecanus occidentalis) on water, Urbina Bay, Isabela Island, Galapagos Islands, Ecuador

Pete Oxford / San Lucas marsupial frog (Gastrotheca pseustes) captive, occurs in Ecuadorian Andes.

Matthias Breiter / Polar Bear (Ursus maritimus) male resting on ice, Hudson Bay, Manitoba, Canada

Matthias Breiter / Black Bear (Ursus americanus) sleeping in tree in temperate rainforest, Anan Creek, Tongass National Forest, Alaska

Donald M. Jones / Golden-mantled Ground Squirrel (Callospermophilus lateralis) feeding on dandelion, western Canada

Claudio Contreras / Grey fox (Urocyon cinereoargenteus) licking nose, captive, Mexico City

Edwin Giesbers / Barbary macaque (Macaca sylvanus) baring teeth as a sign of submission, Gibraltar Nature Reserve, Gibraltar,

Konrad Wothe / Jumping stick grasshopper (Apioscelis bulbosa) Panguana Reserve, Huanuco province, Amazon basin, Peru.