a reproductive animal

pu1. I think rats are the most prolific

2017-12-15

OK

pu2. Hamster. It's growing really fast

2017-12-15

OK

pu3. I didn't know, but I heard that rabbits breed well

2017-12-15

OK

pu4. Rabbits are said to have an overwhelming fertility in the wild. Even in foreign countries, if there are fewer natural enemies on the wide meadow, they increase at a tremendous rate, so they make natural enemies on purpose

2017-12-15

OK

pu5. Wouldn't animals that produce a lot at once have strong fertility? Then I guess there's a hamster, a rabbit, and a cat

2017-12-15

OK