Because they lay eggs. A mammal doesn't lay eggs but the Duckbill platypus and Echidna are the only two exceptions as they are mammals but lay eggs. they are considered mammals because they feed their young with milk they produce.
vampired arent reall..
birds. penguins arent mammals bcuz they lay eggs and mammals dont.
you mean like what frogs are?no arent they mammals?
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Hedgehogs are mammals ! They live on land and drink water !
Well, There are 17 Million People, So there arent many people that know it for sure. But Almost everyone i know, Arent.
when you are 100% sure you arent thts stupid most people arent and they dont think they are
I think you are refering to a dolphin fish, and no they arent the same. Dolphin fish are bony fish and dolphins are mammals.
people arent right for eachother...
they arent they just get it on before marriage.
It is impossible to estimate.
No you stupid clown people arent berries