Animals that reproduce every month

 1.  Rabbits

                    Female rabbits can become pregnant again just days after giving birth !!!

                   They reproduce every month. 

2.  House mice

                  House mice can become pregnant shortly after giving birth, leading to multiple glitters.

3.  Rats

                  Similar to mice, rats can reproduce frequently.

4.  Guinea pigs

                    Similar to mice.

5.  Mosquitoes

                     Female mosquitoes lays eggs every few days depending on availability of blood meals.

6.  Fleas 

                      Fleas can lay eggs continuously producing large number of offs.

7.  Cockroches 

                Cockroches can reproduce quickly.  They produce egg shells containing multiple eggs.