World Primate Day 2021by Cyril BrassSeptember 1, 2021August 29, 2022 World Primate Day – September 01, 2021 #WorldPrimateDay #InternationalPrimateDay World Primate Day – The order Primates, including more than 500 species, is the third most diverse order of mammals, after rodents (Rodentia) and bats (Chiroptera). World Primate Day Share on FacebookTweetFollow usSaveTags:ApeChimpanzeeGorillaMammalsMonkeysOrangutanPrimatesWildlifeWildlife Around the WorldWorld Primate Day