Difference between viviparous and mammals? Share with your friends Share 1 Aarzoo Sharma answered this VIVIPAROUS ARE THOSE ANIMALS WHICH LAYS EGGS. ON THE OTHER HAND MAMMALS ARE THOSE ANIMALS WHICH GIVE BIRTH TO YOUNG ONES. -5 View Full Answer Bethala Samuel answered this viviparous means the animals that reproduce with laying eggs Mammals means which directly reproduce directly -3 Rineesh Reddy answered this viviparous - lay eggs. mammals - reproduce directy -3 Sanskriti Mittal answered this Nooo viviparous are those who give birth to animals ... Actually viviparous and mammals are almost same but thee difference is all viviparous are mammals but all the mammals are not viviparous 3