ANIMALSQUIZWhen can you start training a puppy? Why is the internet obsessed with Pesto the penguin? Time to test your baby animal knowledge.ByStarlight WilliamsNovember 6, 2024Related TopicsANIMALSBABY ANIMALSPENGUINSHIPPOPOTAMUSSHARKSMARMOSETYou May Also LikeHISTORY & CULTURERoach, Worms, and Hippo: How these 8 towns got their unusual namesANIMALSSee our best wildlife photos from 2023ANIMALSHow to tell if a wild baby animal needs your help—and what to do about itANIMALSAnimals dream too—here's what we knowANIMALSHow wild animals cope with stress—from overeating to sleepless nightsLegalTerms of UsePrivacy PolicyYour US State Privacy RightsChildren's Online Privacy PolicyInterest-Based AdsAbout Nielsen MeasurementDo Not Sell or Share My Personal InformationOur SitesNat Geo HomeAttend a Live EventBook a TripBuy MapsInspire Your KidsShop Nat GeoVisit the D.C. MuseumWatch TVLearn About Our ImpactSupport Our MissionMastheadPress RoomAdvertise With UsJoin UsSubscribeCustomer ServiceRenew SubscriptionManage Your SubscriptionWork at Nat GeoSign Up for Our NewslettersContribute to Protect the PlanetCopyright © 1996-2015 National Geographic SocietyCopyright © 2015-2024 National Geographic Partners, LLC. All rights reservedRead More