How many animals were there first on the world?

What are the common health issues that can affect a lionhead rabbit? What are the common symptoms and treatment options for a male cat nipple infection? What animal makes a eek eek eek sound? How is a synaptic transmission terminated? Why does my cat slap me with her paw? What zebronkey eat? Do mint and tulsi belong to the same family? Which animal organ are windows to the outside world? When a certain Plant or Animal dies out it is said to have become? What animal is fit? Why do the akatsuki wear a ring? What animal weighs the least in the world? Is dog safe fur dye available in the market? Why is my old cat staring at the wall? How many animals live in Svalbard? What does mookie mean? Why does my cat enjoy being near my armpits? What are the symptoms and treatment options for mosquito hypersensitivity in cats? What gender is my kitten? What are the pros and cons of using silica cat litter?