Find out the animalOnline version Discover what animal is by Juanma Arrabe 1 I have a backbone so I´m a vertebrate animal! Pistas 1 I have fur and lungs...then I´m a mammal... 2 I eat grass and hay....so I´m a hervibore animal 3 I don´t lay eggs...then I´m viviparous....what am i?