Claus Meyer / Red-tailed Amazon (Amazona brasiliensis) adult eating fruit, Atlantic Forest ecosystem, Brazil

Yva Momatiuk & John Eastcott / Black-tailed Prairie Dog (Cynomys ludovicianus) eating grass in summer, Devil's Tower National Park, Wyoming

Michael & Patricia Fogden / Russell's Viper (Daboia russelii) being milked for venom, Madras India

Pete Oxford / Hyacinth Macaw (Anodorhynchus hyacinthinus) cracking open a Piassava Palm (Attalea funifera) nut to drink the milk, Brazil

Katherine Feng / Giant Panda (Ailuropoda melanoleuca) mother and two week old infant, Wolong Nature Reserve, China

Duncan Usher / Common Kingfisher (Alcedo atthis) flying with fish in beak, Europe

Mark Moffett / Giant Weta (Deinacrida heteracantha) female held by researcher Mike Meades, this largest Weta species is found only on Little Barrier Island, New Zealand Weta in hand, New Zealand

Mark Moffett / Caribbean Tree Frog (Eleutherodactylus coqui) parachuting from tree, this frog holds a cup of air beneath it with its arms as if it were a parachute, leaping to the ground each morning, Puerto Rico

Mitsuaki Iwago / Koala (Phascolarctos cinereus) group in a line, Australia

Fred Bavendam / Pacific Giant Octopus (Enteroctopus dofleini) using its suction discs to hold two crabs it has caught, Quadra Island, British Columbia, Canada

Michael Quinton / Sea Otter (Enhydra lutris) mother securing pup while looking for danger, Alaska

Sean Crane / Short-eared Owl (Asio flammeus) fighting with Northern Harrier (Circus cyaneus) male over vole prey, British Columbia, Canada