National Hippo Day 2020by Cyril BrassFebruary 15, 2020December 23, 2022National Hippo Day – February 15, 2020#NationalHippoDayHippopotamusNational Hippo DayNational Hippo DayShare on FacebookTweetFollow usSaveTags:African MammalsAfrican WildlifeHippopotamusMammalsNational Hippo DayWildlifeWildlife Around the WorldWorld Hippo Day