riddle

[starveall]

Even if every one of these animals were to be destroyed, they would still not be extinct, but would reappear within a few months. What are they?

[BilSuth]

Probably some species similar to insects e.g. mayflies or whatever, who have already laid eggs for next hatching and do not need an older generation to be around to look after them.

[weecalf]

Could be a animal that is a cross between two other animals like a ginnet i think it called