Animal gekko and lion Over 1.5 million living animal species have been described - of which around 1 million are insects - but it has been estimated there are over 7 million animal species in total. Journal · 10 · 23+♥ 451 Last update at 23 · 10 · by milo ‧‧‧ One of 7737Animal More in Animal Home Animalgekko and lion PIFTW