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

Mark Taylor / Tricolour merle Collie puppy, Indie, age 10 weeks.

Loic Poidevin / Grizzly bears (Ursus arctos horribilis) fighting, Katamai, Alaska, USA, August

Fiona Rogers / Southern plains grey langur / Hanuman langur (Semnopithecus dussumieri) infant aged a few days being held by its mother . Jodhpur, Rajasthan, India. March.

Andy Rouse / Bengal tiger (Panthera tigris tigris) female 'T19 Krishna' with 11 month cub, Ranthambore National Park, India.

Andy Rouse / Bengal tiger (Panthera tigris tigris) 11 month cub, Ranthambhore National Park, India.

Andy Rouse / Coquerel's Sifaka (Propithecus coquereli) jumping, Palmarium Reserve, Madagascar

Andy Rouse / Verreaux Sifaka (Propithecus verreauxi) mother carrying baby. Madagascar

Andy Rouse / Verreaux Sifaka (Propithecus verreauxi) jumping ('dancing') across ground, Madagascar

Andy Rouse / Verreaux Sifakas (Propithecus verreauxi) jumping ('dancing') across ground, Madagascar

Andy Rouse / African Lion (Panthera leo) female stalking, Maasai Mara, Kenya, Africa

Daniel Heuclin,Daniel Heuclin / Solomon islands / large prehensile-tailed Skink (Corucia zebrata) Solomon islands