How many species of mamal are there?

Question

How many species of mamal are there?

Answer 1

Mammals encompass approximately 5,400 species, ranging in size from the Bumblebee Bat (30-40mm) to the Blue Whale (33 m), distributed in about 1,200 genera, 153 families, and 29 orders, though this varies by classification scheme.

Please check the following link for details:

http://en.wikipedia.org/wiki/Mammal

Answer 2

there r 372 species.... in mamals.....

Answer 3

There are 5000,000 species on the earth.