thecoffeeisblack:Hey hey, it’s National Bird Day! Never forget that birds are phylogenetically dinos
thecoffeeisblack:Hey hey, it’s National Bird Day! Never forget that birds are phylogenetically dinosaurs. Their ancestors survived the KT extinction and now there are over 10,000 species around the world of avian dinosaurs, by comparison there are only around 5,400 species of mammals. -- source link