Preserved greater siren
Preserved three-toed amphiuma
Fire salamander, artwork
Esmeralda's robber frog
Elegant stubfoot toad
Strawberry poison-dart frogs
Strawberry poison-dart frog
Three tadpoles
Glass frog
Common midwife toad and eggs, artwork
Common toad, artwork
Common frog, artwork
Developing tadpoles
Developing tadpole
Red-eyed tree frog
Frog and water lilies, X-ray
Montagu's harrier, artwork
Ocellated lizard, artwork
Pool frog, X-ray
Frogs on leaves, X-ray
Greater ani
Frog tadpole, macrophotograph
Frog tadpoles, macrophotograph
Flowering plants and frogs, X-ray
Preserved amphibian specimens
Frog liver, light micrograph
Burrow with toads and newt
Short-toed treecreeper, artwork
European shag, artwork
Montpellier snake, artwork
Bonelli's eagle, artwork
Grey heron fishing, artwork
Duck and flowers, X-ray
Penguins mating, artwork
Bird on azalea branch, X-ray
Lizards, X-ray
House gecko
Leaf-nosed fruit bat, illustration
Squirrels on a branch, X-ray
Rainbow lorikeet
Lilac-breasted roller in flight
Lilac-breasted roller perching on twig
Lilac-breasted roller perching on stump
Viperine water snake, artwork
Little grebe, artwork
Nightingale, artwork
Cetti's warbler, artwork
Reed warbler, artwork
Common magpie, artwork
Common reed bunting, artwork
Kentish plover, artwork
Streaked fantail warbler, artwork
Spanish pond turtle, artwork
Western green lizard, artwork
Iberian wall lizard, artwork
Slow worm, artwork
Aesculapian snake, artwork
Grass snake, artwork
Asp viper, artwork
Common wood pigeon, artwork
Turtle dove, artwork
Common cuckoo, artwork
Nightjar, artwork
Woodlark, artwork
Crag martin. Artwork
Grey wagtail, artwork
White-throated dipper, artwork
Wren calling, artwork
Blackbird, artwork
Eurasian blackcap, artwork
Common whitethroat, artwork
Dartford warbler, artwork
Subalpine warbler, artwork
Chiffchaff, artwork
Firecrest, artwork
Eurasian nuthatch, artwork
Coal tit, artwork
Long-tailed tit, artwork
Crested tit, artwork
Great tit, artwork
Blue tit, artwork
Golden oriole, artwork
Chaffinch, artwork
Alpine accentor, artwork
Eastern brown snake
Female snow bunting
Newt, X-ray
Frog and water lily, X-ray
Salamander on plantain plant, X-ray
Palm leaves, frog and Bromelia flower, X-ray
Common genet, artwork
Weasel, X-ray
Indian python, X-ray
Spiny-tailed monitor, X-ray
Sparrowhawk, X-ray
Sparrowhawk head, X-ray
Speagull, X-ray
European badger, X-ray
Green woodpecker, artwork
Common kingfisher fishing, artwork
Coot and irises, X-ray
Great spotted woodpeckers, artwork
European goldfinch, 19th century artwork
Python, X-ray
Parakeets, coloured X-ray
Peregrine falcon skeleton
Robin feather
Lizard, illustration
Domestic cat, illustration
Philippine flying lemur, illustration
Mouse in a willow tree, X-ray
Goldcrest on a branch, X-ray
Flying dragon, X-ray
European bee-eater, artwork
Corn bunting, artwork
Sparrowhawk, artwork
European honey buzzard, artwork
Moorish gecko, artwork
Southern smooth snake, artwork
Red-legged partridge, artwork.
Great spotted woodpecker, artwork
Eurasian jay, artwork
European starling, artwork
House sparrow, artwork
Rock bunting, artwork
Greenfinch, artwork
Bengal florican
Great crested grebe
Eurasian blackcaps, artwork
Eurasian eagle owl, artwork
Great cormorant, artwork
White wagtail, artwork
African stonechat, artwork
Common buzzard, artwork
Peregrine falcon, artwork
Common wall lizard, artwork
Ladder snake, artwork
Song thrush, artwork
Carrion crow, artwork
Common raven, artwork
Eurasian woodcock, artwork
Bird migration, artwork
Bearded dragon and flower, coloured X-ray
Snake, X-ray
Sulawesi red-knobbed hornbill
Sparrow chick skin, light micrograph
Male mandarin duck
Red-necked wallaby with leaf in mouth
Thick-tailed bushbaby
Striped royal python
Domestic pigeon
Bird reproductive organs, artwork
Brongersma' toads, X-ray
Yellow-browed tody-flycatcher
Skinks, X-ray
Stilt wader bird, X-ray
Common frog ovary, light micrograph
Frog diving into water
Hesperocyon, illustration
Protohydrochoerus giant capybara, illustration
Prehistoric creodonts, illustration
Titanoides, illustration
Coryphodon, illustration
Thoatherium, illustration
Protypotherium, illustration
Pyrotherium, illustration
Palaeotherium, illustration
Hyracotherium, illustration
Eotitanops, illustration
Palaeosyops, illustration
Giraffokeryx, illustration
Helmeted water toad
French Bulldog puppy
Border Terrier puppy
Lizard and frog on Buddleja, X-ray
Wild boars, artwork
Red squirrel, artwork
Polar bear sitting on a ice floe
Chameleon, X-ray
Iguanas, X-ray
Python and lizard, X-ray
Python and protea flower, X-ray
Female adult orangutan
Squirrel, X-ray