Photo credits

• Dog

  Photo by M. Rehemtulla. CC BY 2.0 · Source

• Cat

  Photo by Karin Langner-Bahmann , upload von Martin Bahmann. CC BY-SA 3.0 · Source

• Horse

  Photo by Nokota_Horses.jpg : François Marchal derivative work: Dana boomer ( talk ). CC BY-SA 3.0 · Source

• Cow

  Photo by Kim Hansen. CC BY-SA 3.0 · Source

• Lion

  Photo by Giles Laurent. CC BY-SA 4.0 · Source

• Tiger

  Photo by Charles J. Sharp. CC BY-SA 4.0 · Source

• African elephant

  Photo by Giles Laurent. CC BY-SA 4.0 · Source

• Giraffe

  Photo by Muhammad Mahdi Karim Facebook The making of this document was supported by Wikimedia CH .. GFDL 1.2 · Source

• Zebra

  Photo by Yathin S Krishnappa. CC BY-SA 3.0 · Source

• Giant panda

  Photo by J. Patrick Fischer. CC BY-SA 3.0 · Source

• Kangaroo

  Photo by fir0002 flagstaffotos [at] gmail.com Canon 20D + Canon 70-200mm f/2.8 L. GFDL 1.2 · Source

• Koala

  Photo by Diliff. CC BY-SA 3.0 · Source

• Grey wolf

  Photo by User:Mas3cf. CC BY-SA 4.0 · Source

• Red fox

  Photo by ClaudiaTen. CC BY-SA 4.0 · Source

• Brown bear

  Photo by Yathin S Krishnappa. CC BY-SA 3.0 · Source

• Polar bear

  Photo by Alan Wilson. CC BY-SA 3.0 · Source

• Bottlenose dolphin

  Photo by NASA. Public domain · Source

• Blue whale

  Photo by NOAA Photo Library. Public domain · Source

• Humpback whale

  Photo by Juan Cruzado Cortés. CC BY 4.0 · Source

• Orca

  Photo by Robert Pittman. Public domain · Source

• Hippopotamus

  Photo by Muhammad Mahdi Karim. CC BY-SA 4.0 · Source

• Black rhinoceros

  Photo by AfricanConservation. CC BY-SA 4.0 · Source

• Cheetah

  Photo by AfricanConservation. CC BY-SA 4.0 · Source

• Leopard

  Photo by Sumeet Moghe. CC BY-SA 4.0 · Source

• Snow leopard

  Photo by Irbis1983. Public domain · Source

• Chimpanzee

  Photo by Giles Laurent. CC BY-SA 4.0 · Source

• Western gorilla

  Photo by Brocken Inaglory. CC BY-SA 3.0 · Source

• Orangutan

  Photo by Nanosanchez. CC BY-SA 4.0 · Source

• Ring-tailed lemur

  Photo by Charles J. Sharp. CC BY-SA 4.0 · Source

• Three-toed sloth

  Photo by Stefan Laube ( Tauchgurke ). Public domain · Source

• Giant anteater

  Photo by Malene Thyssen. CC BY-SA 3.0 · Source

• Capybara

  Photo by Giles Laurent. CC BY-SA 4.0 · Source

• Beaver

  Photo by Steve from Washington, DC, USA. CC BY-SA 2.0 · Source

• Grey squirrel

  Photo by JeffreyGammon. CC BY-SA 4.0 · Source

• Hedgehog

  Photo by Jörg Hempel. CC BY-SA 2.0 de · Source

• European rabbit

  Photo by euqirneto. CC BY 4.0 · Source

• House mouse

  Photo by Unknown author Unknown author (original) / Ilmari Karonen (editing). Public domain · Source

• Little brown bat

  Photo by SMBishop. CC BY-SA 3.0 · Source

• Platypus

  Photo by Charles J. Sharp. CC BY-SA 4.0 · Source

• Dromedary camel

  Photo by Florian Prischl. CC BY-SA 3.0 · Source

• Reindeer

  Photo by Are G Nilsen. CC BY-SA 3.0 · Source

• Moose

  Photo by Paxson Woelber. CC BY-SA 4.0 · Source

• American bison

  Photo by Jack Dykinga. Public domain · Source

• Goat

  Photo by Kuebi = Armin Kübelbeck. CC BY-SA 3.0 · Source

• Sheep

  Photo by Keith Weller. Public domain · Source

• Pig

  Photo by Kallerna. CC BY-SA 4.0 · Source

• Donkey

  Photo by Adrian Pingstone. Public domain · Source

• Red panda

  Photo by Sunuwargr. CC BY-SA 4.0 · Source

• Raccoon

  Photo by Rhododendrites. CC BY-SA 4.0 · Source

• River otter

  Photo by USFWS Mountain-Prairie. Public domain · Source

• Sea otter

  Photo by Marshal Hedin from San Diego. CC BY-SA 2.0 · Source

• Manatee

  Photo by Galen Rathbun. Public domain · Source

• Walrus

  Photo by Nixette. CC BY-SA 4.0 · Source

• Narwhal

  Photo by пресс-служба ПАО "Газпром нефть". CC BY-SA 4.0 · Source

• Meerkat

  Photo by Charles J. Sharp. CC BY-SA 4.0 · Source

• Spotted hyena

  Photo by Charles J. Sharp. CC BY-SA 4.0 · Source

• Okapi

  Photo by Daniel Jolivet. CC BY 2.0 · Source

• Jaguar

  Photo by USFWS. Public domain · Source

• Porcupine

  Photo by Charles J. Sharp. CC BY-SA 4.0 · Source

• Virginia opossum

  Photo by Cody Pope. CC BY-SA 2.5 · Source

• Pangolin

  Photo by Piekfrosch at German Wikipedia ( Original text: Piekfrosch (Wikipedia-User) ). CC BY-SA 3.0 · Source

• Arctic fox

  Photo by Jonatan Pie ( unsplash.com/@r3dmax ). CC0 · Source

• Emperor penguin

  Photo by Ian Duffy from UK. CC BY 2.0 · Source

• Barn owl

  Photo by Charles J. Sharp. CC BY-SA 4.0 · Source

• Bald eagle

  Photo by Andy Morffew from Itchen Abbas, Hampshire, UK. CC BY 2.0 · Source

• Scarlet macaw

  Photo by Charles J. Sharp. CC BY-SA 4.0 · Source

• European robin

  Photo by Francis C. Franklin. CC BY-SA 3.0 · Source

• Ostrich

  Photo by Yathin S Krishnappa. CC BY-SA 4.0 · Source

• Flamingo

  Photo by Giles Laurent. CC BY-SA 4.0 · Source

• Indian peafowl

  Photo by Kandukuru Nagarjun from Bangalore, India. CC BY 2.0 · Source

• Toco toucan

  Photo by Giles Laurent. CC BY-SA 4.0 · Source

• Ruby-throated hummingbird

  Photo by jeffreyw. CC BY 2.0 · Source

• Atlantic puffin

  Photo by Charles J. Sharp. CC BY-SA 4.0 · Source

• Mute swan

  Photo by Sanchezn. CC BY-SA 3.0 · Source

• Mallard

  Photo by This picture was realized by Richard Bartz by using a Canon EF 70-300mm f/4-5.6 IS USM Len. CC BY-SA 2.5 · Source

• Canada goose

  Photo by USFWS Mountain-Prairie. Public domain · Source

• Chicken

  Photo by Andrei Niemimäki from Turku, Finland. CC BY-SA 2.0 · Source

• Wild turkey

  Photo by Paul Danese. CC BY-SA 4.0 · Source

• Rock pigeon

  Photo by william_stephens. CC BY 4.0 · Source

• American crow

  Photo by Unknown photographer. CC BY-SA 3.0 · Source

• Common raven

  Photo by Frank Schulenburg. CC BY-SA 4.0 · Source

• House sparrow

  Photo by Rhododendrites. CC BY-SA 4.0 · Source

• Blue jay

  Photo by Rhododendrites. CC BY-SA 4.0 · Source

• Northern cardinal

  Photo by Rhododendrites. CC BY-SA 4.0 · Source

• Pileated woodpecker

  Photo by Joshlaymon. CC BY-SA 3.0 · Source

• Common kingfisher

  Photo by Tony Wood. CC BY 2.0 · Source

• Brown pelican

  Photo by Frank Schulenburg. CC BY-SA 4.0 · Source

• Wandering albatross

  Photo by JJ Harrison ( https://www.jjharrison.com.au/ ). CC BY-SA 3.0 · Source

• Herring gull

  Photo by Rhododendrites. CC BY-SA 4.0 · Source

• Great blue heron

  Photo by DallasPenner. CC BY-SA 4.0 · Source

• White stork

  Photo by Charles J. Sharp. CC BY-SA 4.0 · Source

• Sandhill crane

  Photo by HappiestFish. CC BY 4.0 · Source

• Kiwi

  Photo by Maungatautari Ecological Island Trust. Public domain · Source

• Southern cassowary

  Photo by Summerdrought. CC BY-SA 4.0 · Source

• Emu

  Photo by JJ Harrison ( https://www.jjharrison.com.au/ ). CC BY-SA 4.0 · Source

• Peregrine falcon

  Photo by Mykola Swarnyk. CC BY-SA 3.0 · Source

• Red-tailed hawk

  Photo by Becky Matsubara from El Sobrante, California. CC BY 2.0 · Source

• Laughing kookaburra

  Photo by Photo by: Paulweberphoto - paulweberphoto.com. CC BY 4.0 · Source

• Superb lyrebird

  Photo by Fir0002. GFDL 1.2 · Source

• Arctic tern

  Photo by Charles J. Sharp. CC BY-SA 4.0 · Source

• Snowy owl

  Photo by Chuck Homler d/b/a Focus On Wildlife. CC BY-SA 3.0 · Source

• Andean condor

  Photo by Greg Hume. CC BY-SA 3.0 · Source

• Nile crocodile

  Photo by Dewet. CC BY-SA 2.0 · Source

• American alligator

  Photo by User:Postdlf. CC BY-SA 3.0 · Source

• Ball python

  Photo by HCA ( talk ). CC BY-SA 3.0 · Source

• King cobra

  Photo by Michael Allen Smith from Seattle, USA. CC BY-SA 2.0 · Source

• Corn snake

  Photo by Ethan Porcaro. CC0 · Source

• Green anaconda

  Photo by MKAMPIS. CC BY-SA 4.0 · Source

• Rattlesnake

  Photo by Holger Krisp. CC BY 3.0 · Source

• Green sea turtle

  Photo by Charles J. Sharp. CC BY-SA 4.0 · Source

• Galápagos tortoise

  Photo by Mfield , Matthew Field, http://www.photography.mattfield.com. CC BY-SA 3.0 · Source

• Komodo dragon

  Photo by James Jolokia ( james1203 ). CC BY 4.0 · Source

• Panther chameleon

  Photo by Charles J. Sharp. CC BY-SA 4.0 · Source

• Leopard gecko

  Photo by George Chernilevsky. Public domain · Source

• Green iguana

  Photo by Hans Hillewaert. CC BY-SA 4.0 · Source

• Bearded dragon

  Photo by Photograph: Frank C. Müller , Baden-Baden. CC BY-SA 2.5 · Source

• Frilled lizard

  Photo by Matt from Melbourne, Australia. CC BY 2.0 · Source

• Marine iguana

  Photo by RAF-YYC from Calgary, Canada. CC BY-SA 2.0 · Source

• Gila monster

  Photo by Blueag9. CC BY-SA 3.0 · Source

• Tuatara

  Photo by Sid Mosdell from New Zealand. CC BY 2.0 · Source

• Box turtle

  Photo by (c) Joshua Liverman, some rights reserved (CC BY). CC BY 4.0 · Source

• Blue-tongued skink

  Photo by JJ Harrison ( https://www.jjharrison.com.au/ ). CC BY-SA 3.0 · Source

• Thorny devil

  Photo by Bäras ( talk · contribs ). CC BY-SA 3.0 · Source

• Boa constrictor

  Photo by Charles J. Sharp. CC BY-SA 4.0 · Source

• Wood frog

  Photo by Brian Gratwicke. CC BY 2.0 · Source

• American bullfrog

  Photo by Carl D. Howe. CC BY-SA 2.5 · Source

• Strawberry poison dart frog

  Photo by Rhododendrites. CC BY-SA 4.0 · Source

• Axolotl

  Photo by LoKiLeCh. CC BY-SA 3.0 · Source

• Fire salamander

  Photo by Didier Descouens. CC BY-SA 4.0 · Source

• Tiger salamander

  Photo by Carla Isabel Ribeiro. CC BY-SA 3.0 · Source

• Red-eyed tree frog

  Photo by Red-eyed Tree Frog (Agalychnis callidryas) 3.jpg : Geoff Gallice from Gainesville, FL, USA derivative work: B . CC BY 2.0 · Source

• Cane toad

  Photo by Benjamint444. GFDL 1.2 · Source

• Common toad

  Photo by Tythatguy1312. CC BY-SA 4.0 · Source

• Eastern newt

  Photo by Brian Gratwicke. CC BY 2.0 · Source

• Hellbender

  Photo by Brian Gratwicke. CC BY 2.0 · Source

• Glass frog

  Photo by Mauricio Rivera Correa. CC BY-SA 2.5 · Source

• Tomato frog

  Photo by The original uploader was Firereptiles at English Wikipedia. Attribution · Source

• Argentine horned frog

  Photo by Melanie Mae Bryan from Greensboro, NC, USA. CC BY 2.0 · Source

• Spring peeper

  Photo by USGS. Public domain · Source

• Caecilian

  Photo by Brian Gratwicke from DC, USA. CC BY 2.0 · Source

• Great white shark

  Photo by Pterantula (Terry Goss) at en.wikipedia. CC BY 2.5 · Source

• Whale shark

  Photo by Abe Khao Lak. CC BY-SA 4.0 · Source

• Hammerhead shark

  Photo by Kris-Mikael Krister. CC BY 2.0 · Source

• Clownfish

  Photo by Ritiks. CC BY-SA 3.0 · Source

• Goldfish

  Photo by לינה אבוגוש. CC BY-SA 3.0 · Source

• Betta

  Photo by Daniella Vereeken. CC BY 2.0 · Source

• Sockeye salmon

  Photo by Milton Love, Marine Science Institute, University of California, Santa Barbara, CA 93106. Public domain · Source

• Bluefin tuna

  Photo by Unknown author Unknown author. Public domain · Source

• Seahorse

  Photo by Hans Hillewaert. CC BY-SA 4.0 · Source

• Pufferfish

  Photo by Zinnmann. CC BY-SA 3.0 · Source

• Anglerfish

  Photo by Unknown photographer. Public domain · Source

• Manta ray

  Photo by jon hanson from london, UK. CC BY-SA 2.0 · Source

• Stingray

  Photo by D Ross Robertson. Public domain · Source

• Electric eel

  Photo by Steven G. Johnson. CC BY-SA 3.0 · Source

• Green moray

  Photo by Blueag9. CC BY-SA 3.0 · Source

• Channel catfish

  Photo by USFWS Mountain Prairie. Public domain · Source

• Red-bellied piranha

  Photo by H. Zell. CC BY-SA 3.0 · Source

• Great barracuda

  Photo by Diego Delso. CC BY-SA 4.0 · Source

• Swordfish

  Photo by Naturalis Biodiversity Center. CC0 · Source

• Sailfish

  Photo by 出羽雀台. CC BY-SA 4.0 · Source

• Koi

  Photo by Asturio Cantabrio. CC BY-SA 4.0 · Source

• Rainbow trout

  Photo by Engbretson Eric, U.S. Fish and Wildlife Service. Public domain · Source

• Atlantic cod

  Photo by Wilhelm Thomas Fiege. CC BY-SA 4.0 · Source

• Lionfish

  Photo by Photo by Jens Petersen. CC BY 2.5 · Source

• Flying fish

  Photo by David Starr Jordan and Barton Warren Evermann. Public domain · Source

• Mudskipper

  Photo by Bjørn Christian Tørrissen. CC BY-SA 4.0 · Source

• Coelacanth

  Photo by Bruce A.S. Henderson. CC BY 4.0 · Source

• Australian lungfish

  Photo by Mitch Ames. CC BY-SA 4.0 · Source

• Honey bee

  Photo by Andreas Trepte. CC BY-SA 2.5 · Source

• Monarch butterfly

  Photo by Photo by and (c)2007 Derek Ramsey ( Ram-Man ). GFDL 1.2 · Source

• Leafcutter ant

  Photo by Pjt56. CC BY-SA 4.0 · Source

• Seven-spot ladybug

  Photo by Photographer: Dominik Stodulski Graphic Processing: User:MathKnight. CC BY-SA 3.0 · Source

• Dragonfly

  Photo by Quartl. CC BY 3.0 · Source

• Praying mantis

  Photo by Charles J. Sharp. CC BY-SA 4.0 · Source

• Firefly

  Photo by art farmer from evansville indiana, usa. CC BY-SA 2.0 · Source

• Grasshopper

  Photo by Christiaan Kooyman. Public domain · Source

• House cricket

  Photo by Geyersberg, Professor emeritus Hans Schneider. CC BY-SA 3.0 · Source

• Housefly

  Photo by USDAgov. CC BY 2.0 · Source

• Hercules beetle

  Photo by Didier Descouens. CC BY-SA 4.0 · Source

• Stick insect

  Photo by Rosa Pineda. CC BY-SA 3.0 · Source

• Periodical cicada

  Photo by Tanja Popp. CC BY-SA 4.0 · Source

• Termite

  Photo by Photo by Scott Bauer. Public domain · Source

• Paper wasp

  Photo by Judy Gallagher. CC BY 2.0 · Source

• Bumblebee

  Photo by Marco Almbauer. CC0 · Source

• Luna moth

  Photo by David notMD. CC BY-SA 4.0 · Source

• Cockroach

  Photo by Gary Alpert. CC BY 2.5 · Source

• Silkworm

  Photo by Oakenking at en.wikipedia. CC BY-SA 2.5 · Source

• Mosquito

  Photo by Muhammad Mahdi Karim. GFDL 1.2 · Source

• Common octopus

  Photo by albert kok. CC BY-SA 3.0 · Source

• Cuttlefish

  Photo by Diego Delso. CC BY-SA 4.0 · Source

• Garden snail

  Photo by Unknown photographer. Public domain · Source

• Earthworm

  Photo by Michael Linnenbach. CC BY-SA 3.0 · Source

• Garden spider

  Photo by Didier Descouens. CC BY-SA 3.0 · Source

• Scorpion

  Photo by Rosa Pineda. CC BY-SA 3.0 · Source

• Horseshoe crab

  Photo by Hans Hillewaert. CC BY-SA 4.0 · Source

• Hermit crab

  Photo by ZooFari. CC BY-SA 3.0 · Source

• Moon jellyfish

  Photo by Luc Viatour. CC BY-SA 3.0 · Source

• Sea star

  Photo by Hans Hillewaert. CC BY-SA 4.0 · Source

• American lobster

  Photo by OAR/National Undersea Research Program (NURP). Public domain · Source

• Reef coral

  Photo by MDC Seamarc Maldives. CC BY-SA 4.0 · Source