Gray Wolf (2012) by Brittany Steff. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3062723/free-photo-image-wolf-background-animalFree Image from public domain licenseManed Wolf (2016) by Gil Myers. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060396/free-photo-image-dog-wolf-amazingFree Image from public domain licenseGray Wolf on black background, remixed from photography by Brittany Steff https://www.rawpixel.com/image/3062721/free-photo-image-wolf-black-backgroundView licenseFishing Cat (2006) by Mehgan Murphy, Smithsonian's Nat. Original from Smithsonian's National Zoo. Digitally enhanced by… https://www.rawpixel.com/image/3060899/free-photo-image-fisher-cat-zoo-amazingFree Image from public domain licenseHarbor Seal (2013). Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060263/free-photo-image-animal-harbor-amazingFree Image from public domain licenseCalifornia Sea Lion (2009) by Mehgan Murphy. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3061652/free-photo-image-amazing-animal-artFree Image from public domain licenseCalifornia Sea Lion (2009) by Mehgan Murphy. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3061715/free-photo-image-sea-lion-mehgan-murphy-natureFree Image from public domain licenseHarbor Seal (2016) by Chris Wellner. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3061680/free-photo-image-amazing-animal-artFree Image from public domain licenseElectric Eel (2017) by Roshan Patel. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060546/free-photo-image-cc0-fish-amazing-animalFree Image from public domain licenseBanded Mongoose (2016) by Clyde E Nishimura. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060375/free-photo-image-animal-animals-public-domain-zooFree Image from public domain licenseRock Cavy (2005) by Jessie Cohen. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060639/free-photo-image-amazing-animal-artFree Image from public domain licenseBurrowing Owl (2016) by Chris Wellner. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060363/free-photo-image-owl-amazing-animalFree Image from public domain licenseKing Cobra (2010) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060557/free-photo-image-snake-amazing-animalFree Image from public domain licenseKori Bustard (2011) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060393/free-photo-image-amazing-animal-artFree Image from public domain licenseGaboon Viper (2016) by Chris Wellner. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060364/free-photo-image-amazing-animal-artFree Image from public domain licenseMatamata (2007) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060875/free-photo-image-amazing-animalFree Image from public domain licenseLoggerhead Shrike (2017) by Chris Crowe. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060551/free-photo-image-nature-amazing-animalFree Image from public domain licenseFennec Fox (2015) by Clyde Nishimura, FONZ Photo Club. Original from Smithsonian's National Zoo. Digitally enhanced by… https://www.rawpixel.com/image/3060564/free-photo-image-fox-fennec-animalFree Image from public domain licenseSmooth-sided Toad (2005). Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060900/free-photo-image-amazing-amphibian-animalFree Image from public domain licenseWhooping Crane (2011) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060032/free-photo-image-crane-amazing-animalFree Image from public domain licenseBrown Pelican (2007) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060890/free-photo-image-forest-amazing-animalFree Image from public domain licenseAsian Elephant (2016) by Adam Mason. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060565/free-photo-image-elephant-nature-forestFree Image from public domain licenseGiant Panda (2018) by Skip Brown. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060261/free-photo-image-zoo-animal-amazingFree Image from public domain licenseCuban Crocodile (2016) by Chris Wellner. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060369/free-photo-image-crocodile-amazing-animalFree Image from public domain licenseGolden Mantella (2013) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060038/free-photo-image-frog-amazing-animalFree Image from public domain licenseLoggerhead Shrike (2016) by Chris Crowe. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060563/free-photo-image-bird-animal-amazingFree Image from public domain licenseSpider Tortoise (2011) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060046/free-photo-image-turtle-spider-tortoiseFree Image from public domain licenseChinese Alligator (2004) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally enhanced by… https://www.rawpixel.com/image/3060638/free-photo-image-alligator-china-amazingFree Image from public domain licenseKing Vulture (2006). Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060886/free-photo-image-bird-forest-animalFree Image from public domain licenseKomodo Dragon (2011) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3059735/free-photo-image-amazing-animal-artFree Image from public domain licenseFlagtail Characin (2006) by Christa Carignan. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060889/free-photo-image-fish-old-photos-amazingFree Image from public domain licenseFlagtail Characin (2010) by Mehgan Murphy. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3061649/free-photo-image-fish-animal-artFree Image from public domain licenseCaiman Lizard (2018) by Jim Jenkins. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060262/free-photo-image-amazing-animal-artFree Image from public domain licenseGiant Panda (2006) by Ann Batdorf. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060872/free-photo-image-bear-animalFree Image from public domain licenseLowland Gorilla (2009) by Mehgan Murphy. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3061658/free-photo-image-gorilla-animal-zoo-monkeyFree Image from public domain licenseGolden Lion Tamarin (2018) by Skip Brown. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060390/free-photo-image-animal-tamarin-marmosetFree Image from public domain licenseCheetah (2014) by Ronda Gregorio. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060055/free-photo-image-cheetah-cat-photographyFree Image from public domain licenseHooded crane (2016) by Chris Crowe. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060561/free-photo-image-amazing-animal-artFree Image from public domain licenseEastern Box Turtle (1998) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally enhanced by… https://www.rawpixel.com/image/3059733/free-photo-image-turtle-amazing-animalFree Image from public domain licenseGiant Panda (2005) by Jessie Cohen. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060891/free-photo-image-bear-panda-animal-zooFree Image from public domain licenseTentacled Snake (2005) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060898/free-photo-image-green-jungle-amazingFree Image from public domain licenseEastern Box Turtle (2008) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally enhanced by… https://www.rawpixel.com/image/3061653/free-photo-image-turtle-amazing-animalFree Image from public domain licenseSloth Bear (2010) by Mehgan Murphy. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060412/free-photo-image-sloth-jungle-animalFree Image from public domain licenseCheetah (2014) by Ronda Gregorio. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3062079/free-photo-image-cheetah-cat-animals-public-domainFree Image from public domain licenseGolden Poison Frog (2016) by Chris Wellner. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060570/free-photo-image-frog-yellow-amphibianFree Image from public domain licenseEld's Deer (2010) by Mehgan Murphy. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3061647/free-photo-image-deer-nature-amazingFree Image from public domain licenseSlender-tailed Meerkat (2018) by Roshan Patel. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060559/free-photo-image-meerkat-amazing-animalFree Image from public domain licenseVietnamese Mossy Frog (2008) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally enhanced by… https://www.rawpixel.com/image/3061651/free-photo-image-frog-photography-amazingFree Image from public domain licenseStanley Crane (2008) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3061655/free-photo-image-bird-amazing-animalFree Image from public domain licenseMeller's Chameleon (2017) by Jennifer Zoon. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060378/free-photo-image-chameleon-amazing-animalFree Image from public domain licenseGiant Anteater (2011) by Mehgan Murphy. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060040/free-photo-image-bear-zoo-ant-animalFree Image from public domain licenseGrevy's Zebra (2010) by Mehgan Murphy. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3059734/free-photo-image-zebra-amazing-animalFree Image from public domain licenseAmerican Bison (2011) by Joe Alderman. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060265/free-photo-image-forest-animalFree Image from public domain licenseBlack-footed Ferret (2009). Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3061656/free-photo-image-polecat-ferret-black-footedFree Image from public domain licenseAfrican Lion by Mehgan Murphy. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060049/free-photo-image-lion-animal-photographyFree Image from public domain licenseRed Panda (2007) by Mehgan Murphy. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060897/free-photo-image-red-panda-snowFree Image from public domain licenseGiant Panda (2007) by Mehgan Murphy. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060893/free-photo-image-panda-giant-natureFree Image from public domain licenseGiant Panda (2007) by Mehgan Murphy. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060895/free-photo-image-bear-animal-zoo-pandaFree Image from public domain licenseGiant Panda (2018) by Vanessa Kahn. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060558/free-photo-image-panda-nature-bearFree Image from public domain licensePrehensile-tailed Porcupine (2009) by Mehgan Murphy. Original from Smithsonian's National Zoo. Digitally enhanced by… https://www.rawpixel.com/image/3061654/free-photo-image-amazing-animal-artFree Image from public domain licenseRoseate Spoonbill (2016) by Chris Wellner. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060568/free-photo-image-spoonbill-bird-animalFree Image from public domain licenseGold Nugget Plecostomus (2016) by Stan Bysshe. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060560/free-photo-image-gold-catfish-amazingFree Image from public domain licenseRed Ruffed Lemur (2018) by Roshan Patel. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060362/free-photo-image-lemur-amazing-animalFree Image from public domain licenseGray Seal (2013) by Connor Mallon. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060042/free-photo-image-animal-seal-amazingFree Image from public domain licenseRed Ruffed Lemur (2014) by Clyde Nishimura. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060036/free-photo-image-lemur-animal-designFree Image from public domain licenseScimitar-horned Oryx (2016) by Dolores Reed. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3061646/free-photo-image-forest-oryx-amazingFree Image from public domain licenseEyelash Palm Pitviper (2011) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally enhanced by… https://www.rawpixel.com/image/3060054/free-photo-image-animal-reptile-amazingFree Image from public domain licenseBrazillian Agouti (2018) by Roshan Patel. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060567/free-photo-image-agouti-amazing-animalFree Image from public domain licensePrehensile-tailed Porcupine (2009) by Mehgan Murphy. Original from Smithsonian's National Zoo. Digitally enhanced by… https://www.rawpixel.com/image/3061716/free-photo-image-amazing-animal-artFree Image from public domain licenseGray Seal (2013) by Abby Wood. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060039/free-photo-image-zoo-animals-seal-abby-woodFree Image from public domain licenseFalse Water Cobra (2011) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally enhanced by… https://www.rawpixel.com/image/3060043/free-photo-image-brazilian-snake-amazingFree Image from public domain licenseSinaloan Milksnake (2005) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally enhanced by… https://www.rawpixel.com/image/3060896/free-photo-image-snake-colorful-forestFree Image from public domain licenseViolet Line Piranha (2015) by Connor Mallon. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060562/free-photo-image-piranha-fish-cc0Free Image from public domain licensePrehensile-tailed Porcupine (2010) by Mehgan Murphy. Original from Smithsonian's National Zoo. Digitally enhanced by… https://www.rawpixel.com/image/3060569/free-photo-image-animal-amazing-artFree Image from public domain licenseRed Siskin (2016). Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060401/free-photo-image-bird-animal-zooFree Image from public domain licenseAlpaca (2009) by Mehgan Murphy. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3061642/free-photo-image-alpaca-animal-forestFree Image from public domain licenseRed Siskin (2016). Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060646/free-photo-image-bird-animals-public-domain-animalFree Image from public domain licenseAfrican Lion (2011) by Mehgan Murphy. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060356/free-photo-image-lion-animal-forestFree Image from public domain licenseSumatran Tiger (2009) by Mehgan Murphy. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060411/free-photo-image-tiger-forest-animalFree Image from public domain licenseNorth American River Otter (2014) by Abby Wood. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060037/free-photo-image-otter-zoo-animals-beaverFree Image from public domain licenseScreaming Hairy Armadillo (2015) by Clyde Nishimura, FONZ Photo Club. Original from Smithsonian's National Zoo. Digitally… https://www.rawpixel.com/image/3060044/free-photo-image-armadillo-amazing-animalFree Image from public domain licenseRhinoceros Snake (2010) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060052/free-photo-image-nature-amazing-animalFree Image from public domain licenseTwo-toed Sloth (2018) by Stan Bysshe. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3061683/free-photo-image-animal-forest-design-resourceFree Image from public domain licenseLowland Gorilla (2002) by Jessie Cohen. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060636/free-photo-image-gorilla-animal-natureFree Image from public domain licensePrevost's Squirrel (2015) by Clyde Nishimura, FONZ Photo Club. Original from Smithsonian's National Zoo. Digitally enhanced… https://www.rawpixel.com/image/3060566/free-photo-image-squirrel-animal-zoo-amazingFree Image from public domain licenseOriental Fire–bellied Toad (2008) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally… https://www.rawpixel.com/image/3061648/free-photo-image-colorful-frog-amazing-animalFree Image from public domain licenseRhinoceros Snake (2013) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060045/free-photo-image-amazing-animal-artFree Image from public domain licensePrzewalski's Wild Horse (2008) by Jessie Cohen. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3061657/free-photo-image-amazing-animal-artFree Image from public domain licenseGreen-crested Basilisk (2011) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally enhanced by… https://www.rawpixel.com/image/3060400/free-photo-image-lizard-forest-amazingFree Image from public domain licenseRhinoceros Snake (2010) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060031/free-photo-image-colorful-snake-greenFree Image from public domain licenseScimitar-horned Oryx (2016) by Dolores Reed. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3062478/free-photo-image-amazing-animal-artFree Image from public domain licenseGiant Panda (1985) by Jessie Cohen. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3059731/free-photo-image-animal-panda-treeFree Image from public domain licenseOriental Fire–bellied Toad (2008) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally… https://www.rawpixel.com/image/3061650/free-photo-image-frog-public-domain-animals-toadFree Image from public domain licenseCheetah (2014) by Ronda Gregorio. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060053/free-photo-image-animal-cheetah-wildlifeFree Image from public domain licensePanamanian Golden Frog (2009) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally enhanced by… https://www.rawpixel.com/image/3061645/free-photo-image-frog-toad-amazingFree Image from public domain licenseWhite-eared Titi Monkey (2018) by Skip Brown. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060385/free-photo-image-amazing-animal-artFree Image from public domain licenseGoliath Bird-eating Tarantula (2010) by Mehgan Murphy. Original from Smithsonian's National Zoo. Digitally enhanced by… https://www.rawpixel.com/image/3060041/free-photo-image-bird-eating-spider-amazing-animalFree Image from public domain licenseBrazilian Rainbow Boa (2003) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally enhanced by… https://www.rawpixel.com/image/3060637/free-photo-image-forest-amazing-animalFree Image from public domain licenseVon der Decken's Hornbill (2016) by Clyde Nishimura, FONZ Photo Club. Original from Smithsonian's National Zoo. Digitally… https://www.rawpixel.com/image/3060398/free-photo-image-forest-public-domain-birdFree Image from public domain licenseAfrican Clawed Frog (2007) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally enhanced by… https://www.rawpixel.com/image/3060882/free-photo-image-african-claw-toed-frog-clawed-toadFree Image from public domain license