Bat research
Rose-faced parrot
Changes in male toad vocal sacs due to noise pollution
World's smallest chameleon
Bat with spread wings
Elephants at the Moyar River, India
Grey whale
Woman posing with cheetah
Tick research
Scientist with chick
Person holding a red cornsnake
Arctic fox
Tourists with cheetahs
Captive cheetahs and handler
Western sheath-tailed bat
Bat-eared fox
Geoffroy's tailless bat feeding
Commissaris's long-tongued bat
Newly-hatched crocodile
Young nile crocodile
Garden warbler held in hands
Sheep research
Beluga whales, composite image
Snow leopard
Juvenile wild cat
Rhesus monkey
Male gray wolf
Red fox
Alaskan bull moose
Kangaroo
Kangaroo mother with young
Mareeba rock-wallaby
Musky rat-kangaroo
House mouse
Grey squirrel
Grey squirrel feeding at bird feeder
Damara dik-dik
Eastern cottontail rabbit
Eastern cottontail rabbit drinking
Eastern fox squirrel
Hopi chipmunk
Rock squirrel
Bank vole (Myodes glareolus)
Apennine chamois grazing in the Pyrenees
European cattle
Przewalski's horse
Bank vole
Red squirrel
Sika deer
Red-necked pademelon
Tasmanian pademelon
Short-beaked echidna
Capybara resting on a riverbank
Baines Baobabs, Botswana
Female greater kudu looking for a threat
Coypu standing on rock
Female white rhino
Leopard
Walking tiger
Common gray wolf
Pyrenean mountain dog guarding sheeps
Atlantic walrus
Eastern chimpanzee holding its hands
Rat with a long tail
Colour variations within Indo-Pacific hump-backed dolphin
Rabbit
Indian palm squirrel
Red bald uakari in a tree
Red howler monkey
South American tapir
Beetle research
Wild Przewalski's horses
Cape Pangolin
Lion-tailed macaque alpha male
Lion-tailed macaque
Albino squirrel
European wildcat
Juvenile female eight-spotted crab-spider
Adult female eight-spotted crab-spider
Adult male eight-spotted crab-spider
Bed bug research
Plains hog-nosed snake
House sparrow
Puma female
Capybara
Red-bellied lemur perching on a rock
Red-tailed sportive lemur
Crowned lemur
Black lemur
Verreaux's sifaka
Brown titi monkey in a tree
False killer whale
Fraser's dolphins
Sperm whale tail
Spinner dolphins
Atlantic spotted dolphin
Short-finned pilot whales
Yellow-crowned Night Heron
Barbary macaques
Male pronghorn
North American porcupine
North American porcupine feeding
Adult red fox stretching
Adult red fox resting
Fossa
Collared peccaries
White-tailed deer
Brown bear mother and cubs
White domestic cat's face
Mareeba rock-wallaby joey in pouch
Red-legged pademelon with joey
European hedgehog couple
European brown bear
European brown bear and cubs
European brown bears
Koala with joey
Female roe deer
Grey seals
Adult fox
Polecat
Common wombat joey in pouch
Wounded giraffe being treated by a mobile vet unit
Wounded waterbuck being treated
Three Masai giraffes jumping
Ranger with a white rhinoceros
Masai giraffe, Tsavo National Park, Kenya
Wild boar digging
House mice
Harvest mouse
Baby Indian palm squirrel
Giraffe and calf
White rhino and young
Dipetalogaster maxima bug
Helicina land snail shells
Student studying a mosquito
Narwhal shrimp on diver's arm
Tethys fimbria nudibranch
Dead Asian hornet
Vet preparing a dart to treat a lioness
Masai field guide taking pictures with a telephoto lens
Chopped yellowtail fish
Irish Terrier
Hardwick's mouse-tailed bat
Dark fruit-eating bat
Researchers using infrared camera to study wolves and sheep
Holding a dog by ear and under chin
Polishing a dog's fur with chamois cloth
Collar is placed around dog's neck but not fastened
Bristle brush used to bring out shine of dog's coat
Measuring garden warbler wing length
Leaf-nosed fruit bat, illustration
Western tree frog tadpole
Paw of a wounded lioness
Checking a cocker spaniel's mouth
Badger's forepaw print
Male grey wolf
Mexican ground squirrel