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