Hair, feathers, scales, bare skin are the covers they have discovered to know what type of vertebrate it is.
Teeth: sharp and flat to talk about food.
Eggs of different shapes, sizes and hardness to know who laid them.
Breeds like the giraffe to talk about viviparous.
Then they went to visit different vertebrates where the Zoo educators explained curiosities about the species and the individuals of the Zoo. As well as the type of food and the dangers they face in their habitat.
It has been a day full of discoveries!