National Hippo Day 2019by Cyril BrassFebruary 15, 2019January 12, 2023Africa, Mammals National Hippo Day – February 15, 2019 #NationalHippoDay Hippopotamus National Hippo Day National Hippo Day Share on FacebookTweetFollow usSavepreviousWorld Bonobo Day 2019nextWorld Pangolin Day 2019Tags:African MammalsAfrican WildlifeHippopotamusMammalsNational Hippo DayWildlifeWildlife Around the WorldWorld Hippo Day