Ole Jorgen Liodden / Walrus (Odobenus rosmarus) underwater view, Edgeoya, Svalbard, Norway, June.

Staffan Widstrand / Wild Wonders of China / Yunnan Snub-nosed monkey (Rhinopithecus bieti) feeding on lichen, Ta Chen NP, Yunnan province, China.

Bruce Thomson / Water-holding frog (Cyclorana platycephala) in shallow pool after rain, Westmar, Queensland, Australia.